RotoWorld 1, 2021 by Jennifer Gibson Hebert

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VOLUME XVII, ISSUE 1 • 2021 VOLUME XVII, ISSUE 1 • MARCH-APRIL 2021

MANUFACTURING

Delivering proven performance so you can innovate with confidence.

Learn more about how we can work together to grow your business.

WWW.ROTOWORLDMAG .COM

Your rotational molding capabilities begin with the quality and dependability of your polyethylene resin supply. Start your day with PE products and process innovations that help leading rotomolders bring their most complex designs to reality. Accomplish more with our reliable supply network, responsive sales support and expert technology team.

ARMO Affiliates and Members Meet the Challengs of COVID-19 ROTOCON’21 is a Significant Success S.B. Zaman, StAR Executive Director

Correlation of Numerical Simulations/ Static and Creep Test of a Rotomolded HDPE Structure (Part 2) Eric Lainé, Jean-Christophe Dupré, Jean-Claude Grandidier, Eric Maziers

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CONTENTS

FEATURES FEATURE STORY

ARMO Affiliates and Members Meet the Challenges of COVID-19 Susan Gibson, JSJ Productions, Inc. Members ramp up production on products they already make, and some shift to producing products they’ve never made before.

ROTOCON’21 is a Significant Success S.B. Zaman, StAR Executive Director The first ever virual conference for StAR.

Correlation of Numerical Simulations/Static and Creep Test of a Rotomolded HDPE Structure (Part 2) Eric Lainé1, Jean-Christophe Dupré1, Jean-Claude Grandidier1, Eric Maziers2 Institut Pprime, UPR3346 CNRS, ISAE-ENSMA, Université de Poitiers, F-86962 Futuroscope, France 2 Total Research & Technology Feluy, Zone Industrielle Feluy, B-7181 Seneffe, Belgique eric.laine@ensma.fr, jean.christophe.dupre@univ-poitiers.fr, grandidier@ensma.fr, eric.maziers@total.com 1

A summary of work carried out by the authors over many years, which has been the subject of several presentations and scientific articles.

4 ROTOWORLD® MARCH-APRIL 2021

www.rotoworldmag.com 5

CONTENTS

DEPARTMENTS 8 From the Publisher Susan Gibson, JSJ Productions, Inc. How it looks now!

12 Global Contributing Editors

Global Contributors, Department Contributors, and Issue Contributors

15 Upfront

Industry News, Trends, and Products

24 Travel Updates

Travel New from Around the World

29 Design Comment

Michael Paloian, Integrated Design Systems, Inc. Product Design – When does the Job Officially End?

30 ARM Report Spring Executive Forum

49 Industry 4.0

Rob Miller, Wittmann Battenfeld Canada Inc. / ROTOLOADTM Happy April!

52 ARMO News

56 Global Calendar 58 Advertisers’ Index

6 ROTOWORLD® MARCH-APRIL 2021

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FROM THE

PUBLISHER Susan Gibson, JSJ Productions, Inc.

How it looks now! At print time the Coronavirus Pandemic is changing by the week. Even though we are all weary and tired of the isolation and protocols for safety, countries are hitting new records for cases and deaths. According to leading sources, Brazil just became the third country, after the U.S and Peru, to report a 24-hour tally of COVID-19 deaths that exceeded 4,000. India hit a peak of almost 127,000 new cases in 24 hours. Iran set a new record for the third straight day. The disease has even seen a surge in countries that have it pretty well in check. In the US, Michigan has averaged more than 7,000 new cases per day. In Thailand, a country that had only reported 95 deaths during the Pandemic, reported the first local cases of the variant first detected in Britain. Reports indicate the U.K. variant in particular is more contagious, and the Centers for Disease Control and Prevention said this week, “It is now the most common variant in the United States, raising concerns it will drive infections and cause more people to get sick. We are now currently in a race between the variants and the vaccines.” Last spring researchers reported the danger posed by plastic or stainless-steel surfaces, indicating that the virus could survive for days leading to potential contamination by touching of the surface followed by touching your eyes, nose, or mouth. People began scrupulously wiping down groceries, quarantining products to be later brought into the house, and commercial entities began cleaning all surfaces on a regular basis to avoid the spread. However, the “hygiene theater” as it has been referred to may have officially come to an end as the C.D.C. recently updated its “surface cleaning guidelines” noting the risk of contracting the virus from touching a contaminated surface was less than 1 in 10,000. It seems to be common among many experts now that Coronavirus is a disease spread through the air, not from surfaces. Cleaning with simple soap and water in addition to hand washing and mask wearing is enough to keep the odds of surface transmission low, according to the C.D.C. guidelines. The good news is this advice has been consistent throughout the Pandemic. Of course in my opinion getting the vaccine is the best way to safeguard yourself, your employees, and family. It is a liberating feeling to have gotten both vaccines myself. Regarding the Pandemic, ARMO (Affiliation of Rotational Moulding Organisations) has reported a wide spectrum of contributions both through PPE and services to assist front line workers and the production of rotomolded products. Inside I hope you will enjoy a close look at just some of these contributions throughout the world on behalf of the ARMO rotomolding community. StAR (South Asia Rotomoulding Association) reports a very successful first online conference. And, Part 2 of a very important 3-part technical study on the correlation of numerical simulations/static and creep tests of a rotomolded HDPE structure provides deeper insights and results. Even though the Pandemic is still upon us, things are better in many parts of the world and people are getting vaccinated and getting ready to meet in person as soon as it is prudent and makes sense to do so. Stay safe and enjoy this issue!

Susan Gibson Publisher & Editor

8 ROTOWORLD® MARCH-APRIL 2021

From Waste to Wonder

J-Sustain

The next revolution in recycled resin. C a l l o r C l i c k To d a y ( 3 3 0 ) 7 3 0 - 1 1 4 0 info@jericoplastic.com

Proudly Supporting the Association of Rotational Molders! Family-Owned and Operated Since 1997

Committed to Excellence in Rotational Molding

Phone (330) 334-5244 Fax (330) 334-9123

JericoPlastic.com info@jericoplastic.com

www.rotoworldmag.com 9

Susan D. Gibson

Publisher & Editor President - JSJ Productions, Inc. susan@jsjproductionsinc.com

Technical Editor Alvin Spence PhD MEng aspence@centroinc.com Process Editor Paul Nugent PhD MEng paul@paulnugent.com Michael Paloian

Design Editor President - Integrated Design Systems, Inc. paloian@idsys.com

Celal Beysel

Global Contributing Editors

Martin Coles

Chairman - Floteks Plastik beysel@superonline.com Matrix Polymers martin.coles@matrixpolymers.com

Adam Covington Mark Kearns Ravi Mehra

Ferry Industries acovington@ferryindustries.com

Moulding Research Manager m.kearns@qub.ac.uk

Managing Director - Norstar International LLC maramehra@aol.com

Advertising and Art Production Marketing/Advertising Director Jennifer Gibson Hebert Vice President, JSJ Productions, Inc. Chief Art Director Anya Wilcox

jennifer@jsjproductionsinc.com

JSJ Productions, Inc. awilcox@designintersection.com

Circulation & Distribution Administration Sheryl Bjorn JSJ Productions, Inc. sheryl@jsjproductionsinc.com -

Editing & Translations Suzanne Ketron | Oliver Wandres | Sheryl Bjorn Website & Online Technology Jason Cooper JSJ Productions, Inc. jason@bound.by RotoWorld® is a JSJ Productions, Inc. Trade Publication JSJ Productions, Inc. 625 West Market Street, Salinas, CA 93901 Phone: (512) 894.4106; Fax (512) 858.0486 Email: rotoworldmag@rotoworldmag.com and Website: www.rotoworldmag.com Subscriptions One-year subscription (six issues), print or digital, $60 US, $90 Canada/Mexico, $135 All Other Countries. To subscribe or to submit change of address information, call us at (512) 894.4106; fax us at (512) 858.0486; visit us online at www.rotoworldmag.com; or email us at sheryl@jsjproductionsinc.com. You may also write to RotoWorld® Subscriptions, JSJ Productions, Inc., 625 West Market Street, Salinas, CA 93901 Advertising For information on advertising, please contact Advertising Director Jennifer Gibson Hebert, JSJ Productions, Inc. Email Jennifer Gibson at jennifer@jsjproductionsinc.com Letters We welcome letters about our contents. Write Letters to the Editor, JSJ Productions, Inc., 625 West Market Street, Salinas, CA 93901 512.894.4106 phone 512.858.0486 fax, or Email susan@jsjproductionsinc.com. Editorial Queries We consider unsolicited contributions. Send manuscript submissions as email attachment to Susan Gibson at susan@jsjproductionsinc.com. JSJ Productions, Inc. bears no responsibility for claim or factual data represented in contributed articles. Postmaster Send changes of address to RotoWorld®, JSJ Productions, Inc., 625 West Market Street, Salinas, CA 93901 RotoWorld® is a JSJ Productions, Inc. independently owned, bi-monthly trade magazine for the international rotational molding and plastics design industries. JSJ Productions, Inc. owns all copyrights on articles published herein unless ownership is otherwise stated. Reproduction of this magazine, in whole or in part, without the express written p ermission of the publisher is not permitted.

10 ROTOWORLD® MARCH-APRIL 2021

Your partners in rotational moulding The Rotational Moulding Experts: • Polyethylene Granules & Powders • Polypropylene Granules & Powders • Crosslink Polyethylene • Polyamide Powders

• • • •

Ancillary Products Technical Support & Advice Multi-lingual Customer Service Global Supply

matrixpolymers.com

CONTRIBUTING

EDITORS VOLUME XV, ISSUE 6 • 2019

VOLUME XVI, ISSUE 3 • 2020

VOLUME XV, ISSUE 6 • NOVEMBER-DECEMBER 2019

DESIGN

WWW.ROTOWORLDMAG .COM

Influence Material Selection

Alvin Spence, Centro, Incorporated

Maintaining healthy reputations

Delivering proven performance so you can innovate with confidence. During a Pandemic Learn more about how we can work together to grow your business.

Learn more about how we can work together to grow your business.

StAR 2020, 16th Conference & Roto Show A Great Success

Simulating the Rotomolding Process

Getting HR Right

Independent Contractor? Or Employee?

What it can Mean for the Molding Industry

ARMO Showcase

Coming 2020-2021 Issue

Andrea Lekushoff, Broad Reach Communications

rotomolding: WWW.ROTOWORLDMAG .COM

our reliable supply network, responsive sales support and expert technology team.

Honorees Conchita Miranda, Operadora Miraplastek, and Jon Ratzlaff, Chevron Phillips Chemical Company, Inducted into the Rotational Molding Hall of Fame

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Your rotational molding capabilities begin with the quality and Your dependability of your polyethylene resin supply. Start your day withrotational molding capabilities begin with the quality and PE products and process innovations that help leading rotomolders dependability of your polyethylene resin supply. Start your day with bring their most complex designs to reality. Accomplish more with PE products and process innovations that help leading rotomolders our reliable supply network, responsive sales support and expert technology team. bring their most complex designs to reality. Accomplish more with

WWW.ROTOWORLDMAG .COM

Karem Akoul, Peter Ross, Brian Allen and David Seall CP Cases, London; Mark Kearns and Dr. Peter Martin, Queen’s University, Belfast

Learn more about how we can work together to grow your business.

MANUFACTURING

Rob Miller, Wittmann Battenfeld Canada Inc. / ROTOLOADTM

DESIGN

LEADERSHIP

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Viscosity and Melt Index

Large attendance and high marks

The Use of Virtual Reality in the Development of a New Rotational Moulding Factory

Dr. Nick Henwood, Rotomotive Limited

Cutting production costs and lessening global warning effects

ARM 2019 ANNUAL MEETING HIGHLIGHTS

Susan Gibson, JSJ Productions, Inc.

Brian Olesen, Centro Inc., President & CEO

PAINT IT BLACK

VOLUME XVI, ISSUE 2 • 2020

Learn more about how we can work together to grow your business.

ARMA Rotoconnect’s

to Digital What Rotomolders Shift Michelle Rose, ARMA Need to Know about Polymer Chemistry

VOLUME XVI, ISSUE 1 • JANUARY-FEBRUARY 2020

Consider how humans perceive the future

Celal Beysel, Floteks Plastik, Turkey

Delivering proven performance so you can innovate with confidence.

VOLUME XVI, ISSUE 1 • 2020

FOR A MORE SOPHISTICATED, CONVENTIONAL ROTOMOULDING INDUSTRY

CORONAVIRUS VIRUS IS CHANGING WHO WE ARE

MARKETS

Put Your Money... Where Your Delivering proven performance Delivering proven performance Money is! with confidence. so you can innovate so you can innovate with confidence.

VOLUME XVI, ISSUE 2 • MARCH-APRIL 2020

VOLUME XVI, ISSUE 5 • OCTOBER-NOVEMBER 2020

Succeeding in Uncertain Times

A Study of Dry Blending

Sunil Raithatha, Prashant Trivedi & Umakant Savadekar

Asia’s ROTOMOLDED Ceremonial Coffin

Making a Quantum Jump

Delivering proven performance so you3can with confidence. WAYSinnovate THE

“If you build it, they will come” in Indian Agriculture…

TECHNOLOGY

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ogo, the interlocking “X” device and all product names herein are trademarks of Exxon Mobil Corporation.

2020 ARM Annual Meeting Online

VOLUME XVI, ISSUE 5 • 2020

Rotoculture takes roots The Power Delivering proven performance of Pigment so you can innovate with confidence.

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CONVERSION

gin with the quality and n supply. Start your day with hat help leading rotomolders ality. Accomplish more with e sales support and expert

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Rotomoulding’s Fight Against COVID-19 ROTOWORLD ®

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From Zeros to Heroes

en performance ovate with confidence.

ow your

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U.S. ROTATIONAL MOLDING: THE ROAD AHEAD

The Next 10 Years Paul Nugent, MNOP

Future trend of growth in the u.S.

Part 1: MACcreePAnd global economies in a time of pandemic.

THE SEVEN SIMULTANEOUS STAGES OF ROTATIONAL MOULDING

of Rotomolded Polymer Structures

Eric Lainé, Eric Maziers, Jean-Claude Grandidier

DESIGN EDITOR

TECHNICAL EDITOR

Michael Paloian

Alvin Spence

Michael is President of Integrated Design Systems, Inc., Great Neck, New York. Over the past 25 years, Mike has developed a broad range of plastic products utilizing various processing methods including rotational molding. Mike’s B.S. degree in Plastics Engineering and Masters in Industrial Design, combined with his extensive experience, has formed the basis for his branded and unique insights into the field of plastics part design. paloian@idsys.com PROCESS EDITOR

Alvin Spence is Vice President Engineering at Centro, Inc., North Liberty, Iowa. He provides leadership for Centro’s product development team and quality resources. Alvin received his Bachelor’s degree in Mechanical & Industrial Engineering and PhD from Queen’s University Belfast. aspence@centroinc.com

CONTRIBUTING EDITOR

Paul Nugent Paul is a consultant who travels extensively across six continents assisting clients in many roles from training to expert witnessing. He received his Eng. degree in Aeronautical Engineering and Ph.D. in Mechanical Engineering from The Queen’s University of Belfast. Paul developed the Rotolog system, the first complete computer simulation (RotoSim), and authored a book entitled Rotational Molding: A Practical Guide. paul@paulnugent.com

12 ROTOWORLD® MARCH-APRIL 2021

Celal Beysel Celal is Chairman of Floteks Plastik, the pioneer and innovative leader of the rotational molding industry in Turkey and a Global Contributing Editor for RotoWorld® magazine. Being an ARM member for more than 20 years, he has made many presentations at ARM meetings in various countries. He is also active in business and political organizations in his country. Celal has authored numerous articles published in various newspapers and magazines about politics, plastics, rotomolding, and innovation. beysel@superonline.com

CONTRIBUTING

EDITORS

CONTRIBUTING EDITOR

Ravi Mehra

Martin Coles

Ravi Mehra has been associated with the rotational molding industry since the early 1970’s. He is a Past President of ARM – Association of Rotational Molders, and has been inducted into the ARM Hall of Fame. He is the Founding Chairman of StAR – the rotational moulding Trade Association of India. He was the Chairman of ARMO – Affiliation of Rotational Moulding Organizations from 2012 to 2014. He consults internationally with companies in the rotational moulding arena to help their global strategy, facilitate technology tie-ups, and business alliances. maramehra@aol.com

Martin Coles co-founded Matrix Polymers 28 years ago and is the company’s largest shareholder and Managing Director. Shortly after graduating from London University he began his career in the plastics industry working for a major Italian petrochemical producer and soon became hooked by the unique world of rotomoulding. Matrix Polymers has evolved to be a global supplier specialising on rotomoulding materials and has compounding and grinding plants in the UK, Poland, Australia, New Zealand and Malaysia. The company sells more than $100 million of rotomoulding materials each year and has 180 employees. martin.coles@matrixpolymers.com

CONTRIBUTING EDITOR

Mark Kearns

M.Kearns@qub.ac.uk

Mark is the Rotational Moulding Research Manager of the Polymer Processing Research Centre at Queen’s University of Belfast. He is a Chartered Chemical Engineer with a M. Phil Degree in Rotational Moulding. Mark manages rotational moulding research and development projects for companies across Europe, Australasia, and North America.

DEPARTMENT EDITOR

Adam Covington Adam Covington is President of Ferry Industries, Inc. in Akron, Ohio U.S.A. Covington has been with Ferry Industries for over 11 years, advanced through the manufacturing, engineering, sales and service positions within the company and was appointed President in 2019. Adam strives to find solutions for customer’s needs and advance machine technology for the rotomolding industry. He is a graduate of Ohio University’s Russ College of Engineering and Technology with a bachelor’s degree in Industrial Technology. acovington@ferryindustries.com DEPARTMENT EDITOR

Alongkorn Kanokboriboon Alongkorn Kanokboriboon is currently Development Leader at the Rotational Molding Center at SCG Chemicals. He has been involved in the rotomolding industry for almost twenty years from resins development, compounding, and grinding to technical service. He has a Bachelor’s degree in Chemical Engineering from University of California and a Master’s degree in Polymer Engineering from Queen’s University Belfast. alongkok@scg.com

Rob Miller Owner President – Wittmann Battenfeld Canada Inc. Rotoload Rob started in the plastics pneumatic conveying industry in 1986. He has spent his entire career developing, engineering, and designing all types of catalog, standard, and custom pneumatic conveying systems for the plastics industry. He started in the Rotational Molding Industry in 2013, and has enjoyed learning the idiosyncrasies of the industry and market, and most of all meeting the people and building relationships for the future. Rob.Miller@wittmann-group.ca www.rotoworldmag.com 13

GUEST CONTRIBUTING

EDITORS

Eric Laine Eric Lainé is a research engineer at the Institut Pprime (UPR CNRS/ ISAE-ENSMA/University of Poitiers, France) in the Physics and Mechanics of Materials department (ISAEENSMA, France). He holds a PhD in mechanics from the University of Poitiers (France). Eric works in the field of elastomers, polymers and composites, from testing to numerical simulation, and from laboratory samples to industrial structures. The research themes are diffuso-thermomechanical coupling (CO2, H2), rapid decompression, and modelling of non-linear behavior of materials. He collaborates with Professor J.C. Grandidier for more than 20 years in research, and more than 15 years with Eric Maziers on the characterization of rotomolded polymers.

Jean-Claude Grandidier Jean-Claude Grandidier is a professor at ISAE-ENSMA, an engineering school in Poitiers (France). J.-C. GRANDIDIER holds a PhD in Mechanics of Materials and Structures from the University of Metz (France) and a master’s degree in Mechanical Systems Technology from the Pierre and Marie Curie University of Paris – ENS Cachan (France). He was Director of the Laboratory of Mechanics and Physics of Materials (UMR CNRS/ISAE-ENSMA) and then Deputy Director of the Institut Pprime (UPR CNRS/ISAE-ENSMA/ University of Poitiers, France), in charge of the EQUIPEX-GAP experimentation platform.

Eric Maziers Eric Maziers is specialist for the Rotomolding Technologies for the polymer business inside Total Company. He has obtained his degree of Chemical Engineer in the high Engineering School of Liège Belgium. He has been heading R&D projects for polyolefin and biopolymers developments for more than thirty years. During the last year he has been focused on metallocene based polyolefins. He also participated as guest speaker in different “Hands-On” Advanced seminar in rotational moulding application. He has published more than forty papers in international conferences and journals. He has been involved in many patent fillings. More recently the rotomolding specialty compound business of Total was integrated into the automotive business unit in Low Carbon Solutions Division at Total Polymers.

THIS IS YOUR

GROUND Advertise in For more information call 512.894.4106 14 ROTOWORLD® MARCH-APRIL 2021

Jean-Christophe Dupré Jean-Christophe Dupré is CNRS researcher at the Institut Pprime (UPR CNRS/ University of Poitiers/ISAEENSMA, France) in the team PEM (Photomechanics and Experimental Mechanics) of the Mechanical Engineering and Complex Systems department. His field of research concerns the development of noncontact technique in 2D, 3D (surface), and 3D in the core of specimens. This research allows him to study mechanical structures (from biomechanics to industrial structures to cultural heritage structures). He has been working with Jean-Claude Grandidier and Eric Lainé for several years on different experimental subjects concerning the mechanical characterization of 3D structures.

UPFRONT Jerico Announces New National Sales Manager WADSWORTH, OH, USA — Jerico

Plastic Industries, Inc. is pleased to announce Robert (Bo) Colbert has recently been promoted to national sales manager. In his new role, Robert is responsible for managing new business development, sales, customer relations, servicing existing accounts, as well as production support and new project development. He also oversees program management, partnering with both engineering and purchasing to ensure the timely launch of new products and programs for Jerico. Colbert’s depth of experience spans decades, and he has held various manufacturing, production, and management positions in molding and plastics companies since 1992. Colbert joined Jerico Plastic in October 2019 as the Senior Account Manager for the Southeast Atlantic Region and replaces Chick Goldsmith, who retired early in 2021 after five years as Director of Sales for Jerico.

Chick’s industry experience and knowledge will be missed. The team at Jerico looks forward to strong growth in sales on the heels of a robust 2020, despite global pandemic conditions. With manufacturing facilities in Minerva, Ohio, and Greensboro, Georgia, Jerico Plastic Industries, Inc. is committed to excellence in compounding for rotational molding. As a custom manufacturer of color compounds, specialty resins, and recycled products, the company currently offers rotational molding PP, crosslinkable PE, flame retardant PE, special effects PE compounds, PE adhesion compounds, and nontraditional engineered sustainable compounds for rotational and injection molding. For more information, contact Brandi Frey, Corporate Operations Officer – 330-334-5244, info@jericoplastic.com or Stephen Copeland, President – steve@jericoplastic.com

Bring Your Spa Products to Life Add sparkle and shine with Stone Effect Color Compounds! Jerico’s complete line of aesthetic compounding materials brings a natural granite or stone look to your rotational molded products. Stone Effect specialty color compounds are designed for outdoor applications like hot tubs, lawn and garden accessories, and patio furniture. Use one of our popular Stone Effect colors or explore different color intensities using our line of Stone Effect color concentrates. Either way, we work with you to achieve your optimum color and design expectations every time!

Call or Click Today!

(330) 730-1140 | jericoplastic.com

Family-Owned and Operated Since 1997

Committed to Excellence in Rotational Molding

Phone (330) 334-5244 Fax (330) 334-9123

JericoPlastic.com info@jericoplastic.com

www.rotoworldmag.com 15

UPFRONT Sigma-Netics Ruggedized Pressure Transducers withstand Radiation, Fatigue and High Pressures in Harsh Environments Sigma-Netics, Inc., a global manufacturer of pressure switches, pressure transducers, metal bellows, and metal bellows assemblies, offers durable pressure transducers that can withstand radiation, fatigue, submersion in underwater vehicles, and high pressures in excess of 30,000 PSI.

Available models include: • A general industrial pressure transducer with wetted material alternatives, extended thermal, and pressure ranges to 25,000 PSI. • A radiation tolerant MV/V pressure transducer, which features custom ATP, NDE traceability, and low mass for tight installations. • A high-pressure, fatigue-rated transducer for pressures in excess of 100,000 PSI. Units are available with extended temperature compensation ranges, high-level analog, and digital outputs and ±0.25-percent FSO accuracy. • A multi-purpose aerospace pressure transducer, which features shunt calibration, multi-temperature thermal sensor characterization, and cryogenic options. • A miniaturized aerospace pressure transducer. This low-mass, highly accurate unit weighs in at less than 90 grams. Units feature a ¾-inch outer diameter, pressure ranges up to 10,000 PSI, and a variety of wetted material options.

• A submersible vehicle depth transducer. This compact, 90-gram model features shallow diaphragm sensors and a configurable flange design for outboard or inboard bulkhead installation. Units include an all-welded hermetic construction that resists shock and vibration. Due to their ruggedized design, these pressure transducers meet the requirements of demanding industrial and aerospace applications—including deep space missions. Other notable features include combined temperature and pressure measurement, remote electronics modules, wide standard temperature ranges (-65° to +250° F), and more. As with our bellows, bellows assemblies and pressure switch products, Sigma-Netics offers customized solutions for cases in which standard catalog products will not meet an OEM’s application requirements. For product specifications, please visit www.sigmanetics.com/ products/pressure-transducers.

Pulse Technologies Awarded Silver EcoVadis Medal for Sustainability and Ethics Pulse Technologies, an advanced technology, engineering, and contract manufacturing company for medical, aerospace, and commercial applications, has been awarded a Silver EcoVadis Medal recognizing its efforts to run sustainably and ethically. This medal acknowledges Pulse as a growing leader in sustainability, and this score puts it in the top 25 percentile of all companies tested by EcoVadis. “We’re dedicated to manufacturing only the highest quality medical and aerospace components and assemblies,” says Steve Trinter, Director of Global Sales and Marketing for Pulse. “Quality and innovation are at the core of everything we do, and so we plan to increase our score and achieve even greater sustainability moving forward.” Launched in 2007, EcoVadis has risen to become one of the world’s most trusted rating systems to ensure companies are strong in several categories including the environment, human labor rights, ethics, and sustainable procurement. Each company submitted for evaluation tests is tested according to strict criteria for its industry, and the results are dynamic and improvementoriented. To learn more about Pulse Technologies, visit www.pulsetechnologies.com. 16 ROTOWORLD® MARCH-APRIL 2021

UPFRONT Myers Industries Acquires Elkhart Plastics, Inc. A combination of Elkhart and Ameri-Kart businesses creates the fifth largest rotational molder in the United States

AKRON, OH, USA — Myers Industries, Inc. (NYSE:

most of which are projected to be achieved in the first MYE) recently announced it has acquired the assets of Elkhart two years. These cost synergies will stem primarily from Plastics, Inc., one of the largest rotational molding companies in operational excellence initiatives and supply chain optimization. the United States. The acquisition is the latest action in Myers’ In addition, the Company expects to realize growth synergies recently announced long-term strategic plan to transform the due to the broader geographic footprint created by the Company into a high-growth, customer-centric innovator of combined businesses. value-added engineered plastic solutions. “We are proud of Elkhart’s long history as a leader in Founded in 1988, Elkhart manufactures engineered products the roto-molding industry, and we look forward to the new for the recreational vehicle, marine, agriculture, construction, opportunities the combination with Myers will bring for our truck, and other industries. Elkhart has established itself as an customers, employees, and all of our stakeholders,” said Jack innovator, market leader, and best-in-class solutions provider Welter, President and CEO of Elkhart Plastics. “We are a good to customers across the United States. The combination of cultural fit with Myers, and we expect a smooth and successful Elkhart with Myers’ Ameri-Kart business will create the fifth integration of our organizations.” largest rotational molding Elkhart Plastics, Inc. is a business in the United States. 32-year-old company that The combined business will creates rotationally molded provide customers with access products in an almost endless “We are a good cultural fit with Myers, to a more complete portfolio variety of shapes, lengths, and and we expect a smooth and successful of diverse products supported thicknesses. The company integration of our organizations.” — Jack Welter by increased supply-chain provides custom designs for efficiencies. clients in industries including “We are excited to welcome recreational vehicles, marine, Elkhart, its President, Mr. agriculture, commercial Jack Welter, and the entire Elkhart team to the Myers family,” construction equipment, heavy truck equipment, material said Mike McGaugh, President and CEO of Myers Industries. handling, and more. In addition to KONG Coolers, Elkhart also “Elkhart has a stellar reputation of providing superior service manufactures TUFF Stack™ and TUFF Cube™ Intermediate Bulk and quality products to its customers, and we look forward to Containers and Connect-A-Dock products. adding it to Myers’ already strong portfolio of brands.” Myers Industries, Inc. is an international manufacturer McGaugh continued, “We recently launched our new, longof polymer products for industrial, agricultural, automotive, term strategic plan which, in the near term, is focused on commercial, and consumer markets. The Company is also the strengthening the Company through organic growth initiatives, largest distributor of tools, equipment, and supplies for the tire, commercial and operational excellence, pursuing bolt-on wheel, and under-vehicle service industry in the United States. acquisitions in plastics molding, and driving a high-performing Visit www.myersindustries.com to learn more. culture. As a bolt-on acquisition within our existing technology space, Elkhart fits perfectly into this plan and helps us take a meaningful step toward our long-term vision.” Elkhart will operate as a new strategic business unit within Myers’ Material Handling Segment. Headquartered in South Bend, Indiana, Elkhart has six U.S. manufacturing facilities and employs approximately 460 people. In 2019, Elkhart’s revenues were approximately $100 million, and its adjusted EBITDA margin was approximately 9%, based on its unaudited, reviewed financial statements. The acquisition is expected to be immediately accretive to earnings, and Myers financed the transaction with cash on hand. The transaction is also expected to generate annual cost synergies of approximately $4 million to $6 million per year, www.rotoworldmag.com 17

UPFRONT ShoreMaster/HydroHoist Acquires Neptune Boat Lifts The largest portfolio of waterfont equipment now covers fresh and saltwater markets.

FERGUS FALLS, MN AND FORT LAUDERDALE, FL, USA — ShoreMaster, LLC, which merged with HydroHoist,

LLC in 2019, recently announced the acquisition of Neptune Boat Lifts, Inc., the premier saltwater boat lift brand based in Fort Lauderdale, Florida. Collectively, these three market leaders provide the most comprehensive suite of waterfront products in North America. With the acquisition of Neptune, the portfolio of brands will now cover all fresh and saltwater marine environments. The combined product offering covers the broadest spectrum of product categories in the dock, boat lift, and accessories markets, while accommodating all boat types, sizes, and applications in the industry. Don Hurley, ShoreMaster’s Chief Executive Officer, said, “Neptune is a leading brand in the saltwater lift market, one of the most important and fastest-growing markets in the industry. Neptune offers unparalleled quality and service, and in their market has exceptional brand recognition and customer loyalty. This is an exciting addition and a great fit to our portfolio of brands.” Founded in 2007, Neptune is the leading manufacturer of marine lifts, dedicating its efforts to exceeding customer expectations while utilizing the finest materials and engineering. Neptune has been a pioneer in the saltwater marine environment, focusing its design and manufacturing on product safety, performance, and quality. The Neptune team collectively has over 100 years of real-world experience, with every lift designed and engineered in-house, then independently evaluated and certified by structural engineers.

David Humphreys, President of Neptune, said, “We are excited to join ShoreMaster and HydroHoist, two dominant brands in the industry. We are confident in the future and this merger places our team, our dealers, and our products in ideal positions for continued growth and success.” “The addition of Neptune, and their dealer network, allows us to reach additional customers in Florida and other U.S. markets, as well as provide new product offerings to our existing dealers. Our combined network of dealers, marine contractors, and marinas means that we have the reach to serve every marine market in North America,” added Hurley. ShoreMaster/HydroHoist is the premier manufacturer of waterfront equipment in North America, with corporate headquarters in Fergus Falls, Minnesota, and offices in Claremore, Oklahoma. The company has distribution facilities located in California, Oklahoma, Texas, and Tennessee, as well as a dealer network to supply and support its customers. The company’s flagship brands include ShoreMaster and HydroHoist; additional brands include Rhino Marine Systems, PolyDock Products, HyPower, RotoMold USA, and ShoreMaster Fabrics. www.boatlift.com Neptune Boat Lifts, founded in 2007 in Fort Lauderdale, Florida, is the leading manufacturer of boat lifts specifically designed for the coastal saltwater environments, specializing in 4-post and elevator aluminum lifts capable of lifting watercraft up to 300,000 lbs. Neptune Boat Lifts has over 100 dealers in their network throughout Florida and the Caribbean and its own installer, Neptune Atlantic Boat Lifts, which is strategically located in the Florida Keys. www.neptuneboatlifts.com

Jerico Increases Warehouse and Manufacturing Facilities In Ohio WADSWORTH, OH, USA — Jerico Plastic Industries,

Inc. is pleased to announce it has added nearly 30,000 square feet to its warehouse and manufacturing space in Minerva, Ohio. The additional space was needed in order to meet the growing demands of our customers. In addition, the company added a central manufacturing site in Minerva for its J-Sustain sustainable polymer compounds product lines that will include our traditional post-industrial formulated compounds and our newly-launched post-consumer engineered compounds “Jerico Plastic Industries put our time to good use on development during the early months of the pandemic in 2020. In response to the growing call for post-consumer green compounds for both rotational and injection molding, Jerico Plastic has now 18 ROTOWORLD® MARCH-APRIL 2021

introduced compounds that contain feedstock streams outside of the normal PE products available for these markets,” stated Stephen Copeland, President of Jerico Plastic Industries, Inc. With manufacturing facilities in Minerva, Ohio, and Greensboro, Georgia, Jerico Plastic Industries, Inc. is committed to excellence in compounding for rotational molding. As a custom manufacturer of color compounds, specialty resins, and recycled products, the company currently offers rotational molding PP, cross-linkable PE, flame retardant PE and special effects PE compounds, PE adhesion compounds, and non-traditional engineered sustainable compounds for rotational and injection molding. For more information, contact Brandi Frey, Corporate Operations Officer – 330-334-5244, info@jericoplastic.com or Stephen Copeland, President – steve@jericoplastic.com

UPFRONT The Association of Rotational Moulders Australasia Announces Michelle Rose as New Chief Executive Officer. With a Degree in Hotel Management and dual diplomas in Business and Management as well as extensive experience in event organisation, Michelle Rose started with ARMA almost 15 years ago in the role of Deputy Executive Officer. During her career so far, Michelle has organised conferences and study tours, provided membership management, stakeholder engagement, and administrative services as well as provided business and project management to the Association. She has worked diligently on new strategies ensuring the ongoing financial stability for the Association, which helped when

she stepped into the role of Acting CEO in 2020, helping ARMA to ride through the turbulent times last year brought. Michelle has travelled the world, visiting over 125 rotational moulders globally and brings to ARMA an extensive international network and a fresh perspective. Learning quickly with the support of the current Board of Directors and the membership, ARMA is confident of its sustained future with this appointment. For more information go to ARMA RotoConnect at www.rotationalmoulding.com

LyondellBasell licensed proprietary polyolefin technology to Ningxia Baofeng Energy Group Co., Ltd. ROTTERDAM, NETHERLANDS — LyondellBasell

(NYSE: LYB) recently announced that Ningxia Baofeng Energy Group Co., Ltd. (Ningxia Baofeng) has selected LyondellBasell’s world-leading polypropylene (PP), high-density polyethylene (HDPE), and low-density polyethylene (LDPE) technologies for three new polyolefin production lines. The new lines will be built in Ningxia Baofeng’s complex in Yingchuan City, P.R. China. The complex will include a 500 KTA polypropylene (PP) plant, which will utilize LyondellBasell’s Spherizoneprocess technology and a 400 KTA high-density polyethylene (HDPE) plant which will utilize the HostalenACP process technology. Further LyondellBasell licensed a 250 KTA low-density polyethylene (LDPE) and ethylene vinyl acetate copolymer (EVA) line to produce LDPE with VA comonomer by using LyondellBasell’s Lupotech T process technology. “The award of three polyolefin lines with a total capacity of more than 1100 kta demonstrates our technology licensing capabilities,” said Jim Seward, Senior Vice President of Research and Development, Technology and Sustainability at LyondellBasell. “The possibility to opt for a single provider of well proved technologies and market reference products is an appealing aspect for many future operators.” Seward added: “The selection of our Spherizone process technology as the innovative manufacturing platform will allow the licensee to produce superior polypropylene resins with enhanced product properties. The production of polyethylene resins will be made by using LyondellBasell’s leading lowpressure Hostalen ACP slurry process for the production of high-

performance multimodal HDPE resins and our Lupotech T process technology which is the leading high-pressure tubular LDPE technology.” The Spherizone plant will commence operation by using LyondellBasell’s Avant ZN catalyst whereas the Hostalen ACP plant will commence operation using Avant Z 501 and Avant Z5091 catalysts to produce a full range of multimodal HDPE products. New licensees can take advantage of LyondellBasell’s in-house expertise of continuous production improvement, sustainable product development, and catalyst knowhow by optionally joining our Technical Service program. LyondellBasell is a leading licensor of polypropylene and polyethylene technologies with more than 300 polyolefin process licenses. In addition to the Spherizone, Hostalen ACP, and Lupotech process technology, LyondellBasell’s portfolio of licensed polyolefin processes and catalysts includes: • Spheripol – The leading PP process technology with more than 30 million tons of licensed capacity with globally recognized quality grades with leading monomer consumption and investment costs to make it the technology of choice • Spherilene – Flexible gas phase process technology for the production of LLDPE, MDPE, and HDPE • Metocene PP – Innovative add-on technology for the production of specialty polypropylene products using single-site catalyst systems • Avant – Advanced Ziegler-Natta, including non-phthalate, Ziegler, chromium, and metallocene catalysts for entire range of polyolefin production. www.rotoworldmag.com 19

UPFRONT Redline Plastics: Announces 103,000 sq. ft. Factory Expansion MANITOWOC, WI, USA — Redline Plastics

announces a 103,000 sq. ft. expansion to their manufacturing facility in Manitowoc, WI. This expansion will more than double the production space of their current facility, completed in December 2019. The company has broken ground on the expansion and anticipates the facility will be complete around August of this year. The additional space is needed due to rapid growth in their rotational molding and vacuum forming businesses. When Redline opened their 117,5000 sq. ft. manufacturing facility in December 2019, the company employed 75 people. The company now employs 145 with about 25 current job openings and more to come as the expansion is completed. “Redline’s incremental growth over the past several years has been nothing short amazing. This is due to the great team and culture we have been able to form here at Redline,” said Nick Murray, vice-president of operations. “We had this expansion planned since the first half of the building started construction in 2019, but we did not anticipate expanding for at least a couple of years. We are lucky to be in the position we are in and continue our investment in the area, our employees, and our customers. Without all of them, our success would be

limited. Future employment levels are hard to estimate, but if our growth and ability to deliver quality products on time continues, we can more than double our workforce over the next several years.” The expansion is an investment of over $6 million into the building and capital equipment.

Roll Out Cart (ROC) Molders Reduce Cost and Meet Warranty Claims with G2 MCHENRY, IL, USA —Roll out carts are a big business,

especially considering that most households in the United States have at least two. At almost $60 per unit, the ROC market is worth hundreds of millions annually and justifiably requires significant investment by molders. For instance, a single cart mold can cost $500,000. As well, manufacturers offer a 10-year warranty to consumers and cities that purchase carts for waste disposal programs, so they need be able to add adequate UV/AO stabilizer while controlling cost. Chroma Color’s G2 has helped roll out cart molders reduce cost through let down reductions from 3% to 1%, while still delivering enough UV/AO to support a 10-year warranty. Since G2 comes in solid pellet form, molders can bypass a large amount of cost creep found with liquid color in the form of replacing hose kits and pumps, added housekeeping and other costs related to consolidation and agitation. Using highly loaded G2 is also a space-saver given lower inventory requirements and thus fewer drums or gaylords. 20 ROTOWORLD® MARCH-APRIL 2021

Chroma Color’s G2 product line has proven performance in diverse applications, including outdoor durables, packaging, industrial, non-automotive transportation, and much more. Convertors continue to be impressed by this game-changing technology. Whether it is injection, extrusion, or blow molding, G2 continues to hit the mark. Chroma Color Corporation is a leading specialty color and additive concentrate supplier serving a diverse range of markets, including packaging, healthcare, pharmaceutical, wire, cable, consumer products, and others. Chroma Color’s growth strategy includes robust organic and inorganic growth and having made six acquisitions over the last three years. Chroma’s extensive technical leadership and manufacturing expertise, coupled with its game-changing colorant and light management technologies, have delighted customers for over 50 years. For more information about G2 visit: https://chromacolors. com/g-series-g2-g3-ultrapet/

UPFRONT K 2022 from 19 to 26 October 2022 in Düsseldorf

Registration documents available with immediate effect The time is ripe: with immediate effect the registration documents for K 2022, the world’s most relevant trade fair for the plastics and rubber industry, will be available at www.k-online.com. The deadline for registration for all the companies wishing to participate in K 2022 is 31 May 2021. The ranges on show at K 2022 include the segments machinery and equipment, raw materials and auxiliaries as well as semifinished products, technical components and reinforced plastic products. “K in Düsseldorf is not only the performance barometer for the industry and its global marketplace for innovations, but also provides orientation, sustainable economic impetus and forward-looking trends as well as concrete approaches to solutions,” says Erhard Wienkamp, Managing Director at Messe Düsseldorf. October 2022 will be the perfect timing for the No. 1 trade fair because the effects of the global pandemic have also hit many enterprises from the plastics and rubber sector as well as their customer industries. Therefore, there will be an enormous demand for personal exchange and re-orientation on a global scale in the international plastics and rubber industry. K in Düsseldorf also always addresses the current challenges of our day and age and specifically of your industry. This is why such subjects as sustainability, resource savings, circular economy and digitalisation, which gathered momentum at K 2019, will also feature among the “hot tickets” of the trade fair at both the exhibitors’ stands and side events. Worth a special mention here is the Special Show entitled “Plastics shape the future” as well as the Science Campus as a forum for science and research. The registration documents for K 2022 can be downloaded from: www.k-online.com/2330 Companies that already exhibited in 2019 can log in and register using their known log-in data. Exhibitors taking part for the first time will be walked through the registration procedure step by step. For personal advice the team in Düsseldorf and 77 foreign representations and subsidiaries are at your beck and call. www.k-online.com

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UPFRONT MAAG Group’s Leading Technologies on Display at Chinaplas 2021 OBERGLATT, SWITZERLAND — MAAG Group, a

broadly diversified global solutions provider of Pump & Filtration Systems, Pelletizing & Pulverizing Systems, Recycling Systems, and Digitalization for use in the polymer industry showed its latest innovations at Chinaplas 2021 in Shenzhen, China, held April 13-16 in hall 10, booth 10Q01. The highlight of the booth was the ERF350, a highperformance melt filter for the filtration of heavily contaminated polymer feedstock. The filter is self-cleaning with a rotating, perforated drum, through which there is a continuous flow of melt from the outside to the inside. A scraper removes contaminants that are held back on the surface and feeds them to the discharge system. This enables the filter to operate automatically, without disruptions over long periods and without having to replace the screen. The advantages: ultra-low melt losses, good mixing and homogenizing, of the melt. Another highlight in the MAAG Group booth was the PEARLO® underwater pelletizing system for the highly efficient and flexible production of spherical pellets with throughputs of up to 36,000 kg/h. Compact and modularly structured, it requires only a very small footprint. Electronically controlled EAC technology guarantees precise pressure of the pelletizing knives during operation, thereby enabling long runtimes free of interruptions with consistently high pellet quality. In the same equipment segment, MAAG Group showed a BAOLI®-3 third-generation dry-cut pelletizer for processing hard and soft materials. The key components of these pelletizers are manufactured in Germany, and all versions meet the requirements of applicable safety standards in Germany. MAAG Group has more than 60 years’ experience in pelletizers and has already installed around 800 BAOLI® pelletizers in China. As with previous BAOLI® generations, the automated cutting chamber locking system enables fast handling while supporting operator safety. From its extensive range of gear pumps, MAAG Group presented the extrex® gear pump in x6 class design at Chinaplas. As with all x6 versions, MAAG Group has completely re-engineered and redesigned the components, from the shafts through to the bearings and seals, and optimized the interaction of the components. Specially developed gear teeth with low compression allow very high pressures to be achieved with low shear rates. The result is a further increase in achievable product quality, volumetric efficiency, as well as production consistency and safety. For more information check out www.maag.com.

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马格集团的领先技术将在2021国际橡塑展展出上格拉特，瑞士，2021年3月3日，马格集团是一家多元化的全球解决方案提供商，为聚合物行业提供泵和过滤系统、造粒和粉碎系统、回收系统和数字化解决方案。2021年4月13日至16日在中国深圳2021国际橡塑展展会10号馆10Q01展位将展出最新产品。这次展出的一大亮点将是ERF350，一款高性能熔体过滤器，非常适用于过滤高度污染的聚合物塑料。过滤器是通过旋转的激光打孔滤网进行自我清洁，通过从滤网外部向内部连续不断地流入熔体。刮刀持续去除残留在过滤网表面的污染物，并将其输送到排污螺杆持续排出。从而使过滤器可实现完全自动化，避免了频繁更换过滤网，确保挤出机生产线的连续生产。优点：熔体损失极低，熔体充分混配均匀。马格集团展台的另一个亮点是PEARLO ®水下造粒系统，该系统可高效灵活地生产球形粒子，产量可达36000公斤/小时。紧凑和模块化结构，它只需要占用非常小的空间。电子控制的EAC技术保证了切粒刀在操作过程中的精确压力，从而使长时间的运行没有中断，始终保持高的造粒质量。在同一设备领域，马格集团展示了适用于加工各种硬质和软质材料的BAOLI®-3第三代干切式拉条造粒机。这些造粒机的关键部件在德国制造，所有规格均符合德国适用的安全标准。马格在造粒机方面拥有60多年的经验，并已在中国安装了约800台BAOLI造粒机。与之前的两代BAOLI机型一样，其自动切割室锁定系统可以在增进操作员安全性的同时实现快速处理。马格从其广泛的齿轮泵产品范围中选取了采用x6级设计的 extrex®齿轮泵，送往中国国际橡塑展展示。正如所有采用x6设计的产品一样，马格对其所有齿轮和轴组件，包括轴承和密封件做出了全面改进，并优化了组件配合。专门研发的齿面及低压缩位置可以在低剪切速率下实现非常高的压力。由此可进一步提升产品质量、容积效率以及均匀而可靠的生产。更多信息请访问www.maag.com. 关于马格： MAAG Group是您的解决方案提供商，为聚合物、化工、石化、制药和食品行业提供定制系统和工艺技术集成解决方案。其中泵和过滤系统、造粒系统、磨粉系统、回收系统和数字化部门巩固了AUTOMATIK、ETTLINGER、GALA、MAAG、REDUCTION、SCHEER和 XANTEC产品品牌多年的经验和深入的专业知识。MAAG Group目前在瑞士、德国、意大利、美国和中国的生产基地拥有1100多名员工。在法国、马来西亚、印度、泰国和巴西设有销售和服务中心，确保密切关注客户的需求。更多信息请访问www.maag.com。 MAAG Group是Dover公司旗下提供泵和工艺技术解决方案的一个业务集团。

UPFRONT Tank Holding Acquires Spin Products, Inc. MERCED, CA, USA — Tank Holding, North America’s

largest rotational molder, has acquired California based rotational molder Spin Products, Inc. Spin designs and manufactures high-quality rotationally molded products with a special focus on custom molded products, including products for outdoor and sanitation applications. “Spin and their valued long-term customer relationships compliments our growth strategy both in our core and adjacent markets, including expansion of our custom molding division. The facility will also serve to provide additional manufacturing capacity in the southwest region. The acquisition bolsters opportunities to leverage our industry knowledge and expertise to create greater value for our customers,” said Greg Wade, CEO of Tank Holding. The Spin acquisition provides additional synergy opportunities with Tank Holding’s other recent acquisitions, Meese, RMI, and Dura-Cast, who are other major players in similar markets. These market leading brands and product offerings provide the industry with a broad product portfolio and large footprint of manufacturing facilities. The transaction includes the operations of the facility located in Chino, California.

“Tank Holding is the ideal partner to grow the Spin business and further increase our facility utilization. Their growth strategy will build upon our long-term success and benefit both our customers and employees for the years to come,” said Paul Burlingham, President of Spin Products. The Spin announcement represents Tank Holding’s 13th acquisition in the past two years, and further enhances the company’s capacity and far-reaching portfolio of products to serve a wide variety of end markets through a growing number of distribution channels.

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TRAVEL UPDATES

Air Travel Restrictions: What You Need to Know Before You Fly in 2021 The Friendly Skies Are Open / Travelpulse.com

Air travel is slowly rebounding nearly one year after the COVID19 Pandemic was first declared, but demand remains suppressed, and passengers will notice plenty of changes when flying for the first time in the Coronavirus era. Safety concerns and travel restrictions continue to limit where we can fly in the early part of 2021, but for those who feel comfortable traveling and plan to do so responsibly, the world is steadily reopening. Here are some important things to know before you board your next flight. The Latest CDC Advice The Centers for Disease Control and Prevention (CDC) currently recommends that Americans avoid travel at this time as COVID19 continues to spread, but advises those who are taking a trip to get tested one to three days prior to departure, wear a face mask, practice social distancing, and frequent hand washing throughout their journey before getting tested again three to five days after their trip and self-isolating for a full seven days after travel even if they test negative. Find a complete breakdown of the CDC’s recommendations on the CDC’s website. Expect Enhanced Health and Safety Protocols Airports and airlines have implemented elevated health and safety measures to protect both staff and passengers in the time 24 ROTOWORLD® MARCH-APRIL 2021

of Coronavirus, including frequent disinfection of highly touched surfaces and highly trafficked areas and face mask requirements. Many travelers have learned the hard way that these face mask policies are non-negotiable, with airlines banning thousands of passengers who’ve refused to comply. However, face masks have since been federally mandated on public transportation so violators now face stiff fines in addition to other penalties. Travelers will also notice an abundance of hand sanitizing stations as they walk through the airport and are encouraged to wash their hands or sanitize frequently, in addition to avoiding touching their face and maintaining at least six feet of distance from people outside of their travel group whenever possible. Airports and airlines have also rolled out more contact-less options over the past year so travelers can do things like check-in and access boarding passes and even order food from their smartphones. Don’t be surprised to encounter temperature checks in some cases or to notice limited in-flight food and beverage service designed to reduce close interactions between passengers and crew. Stay Updated on Local Travel Restrictions The steps you’ll need to take before your flight will depend on where you’re going. Some states are requiring negative COVID19 test results taken within a few days of travel, enforcing a

TRAVEL UPDATES

mandatory quarantine on out-of-state visitors or asking them to complete a health questionnaire prior to travel. Review the latest travel restrictions within the U.S. on the CDC website. In many cases, traveling outside of the U.S. will require a negative COVID-19 test and sometimes proof of travel or medical insurance. However, there are some countries welcoming Americans with minimal restrictions and some that are opening to those who have received the COVID-19 vaccine. Be sure to research your destination thoroughly so you not only know what to expect but know what’s open and available when you arrive. If traveling abroad, your best bet is to stay at a resort where you can access a variety of amenities and dining experiences all in one place as well as testing ahead of your return trip home. Returning To the US? You’ll Need a Test As of January 26, 2021, the CDC requires that all air travelers age two or older entering the U.S. provide test result taken within three days of departure. However, many destinations and leading hotel and resort brands are offering quick and affordable—in some cases free—testing options that travelers can access on-site at their hotel or resort prior to check-out. Online Tools Spell Out Restrictions With travel restrictions constantly changing, airlines are making it easier for passengers to know exactly what to expect and what they’ll need in order to fly to and enter their destination without

issue with the help of interactive maps, travel guides, and other online tools that breakdown any quarantine and or testing requirements as well as required travel forms and applications. TSA Precheck Still Pays Off The pandemic has resulted in slight changes to the security screening process in terms of the installation of plexiglass barriers to limit the spread of droplets and social distancing floor markers to keep travelers separated, but travelers can still anticipate lines at TSA checkpoints, especially during peak travel times. Applying for TSA Precheck is an easy way to ensure you spend less time at security, and a five-year membership will only cost you $85. Available at hundreds of airports across the country, Precheck allows members to leave their shoes, belts, and light jackets on and keep their laptops in their baggage. The shorter lines and quicker screening process are especially appealing amid a pandemic. Flight Deals Are Out There The dramatically reduced passenger count—TSA screened 773,422 passengers nationwide on February 17 compared to 2,129,862 on the same day last year—and decline in business travel due to the pandemic means that travelers can score plenty of awesome flight deals, especially if they have flexibility with their dates and don’t mind waiting until closer to departure to book. www.rotoworldmag.com 25

ROTOCON’21

S.B. Zaman, StAR Executive Director

IS A SIGNIFICANT SUCCESS

26 ROTOWORLD® MARCH-APRIL 2021

StAR overcame the challenges faced due to COVID-19 restrictions by organising its 2021 annual conference ROTOCON’21 from January 19 to 21. It was the first ever virtual conference for StAR, the second globally in rotomoulding, and included online roto trade show for the industry. Even in the virtual mode the event touched new levels of attendee satisfaction and appreciation, with feedback from many of them pointing to exceeding expectations. The conference programme, based on the theme of Global Networking and Knowledge Online was a rare mix, which whetted the appetite of participants for value and variety. There was never a dull moment because of the intermixing of presentations by globally renowned speakers, some for the first time at StAR, video tours of global rotomoulding plants, demo videos of post-moulding operations and quality testing, and chat rooms on trending themes. The exhibitor booths were an independent interest area, open 24 hours during the conference and for some days after it. Facts and stats speak of a high level of success achieved in this maiden StAR virtual effort; feedback continues to be encouraging and inspiring for all concerned who adapted to the format and innovated well to make it interesting and valuable for attendees. The stats first, registrations at 340 was an all time high for any StAR conference, and there were an average of 150 attendees for live sessions on each of the three conference days. Sixteen exhibitor booths of suppliers and moulders were part of the roto trade show. A unique and secure registration code ensured easy access to live sessions, programme recordings, and the trade show. The quality of the presentations is illustrated by topics and speakers, and high-ranking marks for them in attendee feedback. Q & A, which followed every presentation added interest to the overall participation. High marks were also received by the plant tours and demo videos. The packaging of the daily programme came in for great praise. A one hour chat room, which topped up each day’s programme with engrossing discussions and interactions sustained interest right up to the daily close of the programme.

Wayne Wiid

Programme Presentations – Plant Tours – Demo Video – Chat Room January 19, Tuesday 10 MFI Hexene LLDPE – New Products and Opportunities by Martin Coles, Matrix Polymers, UK Colour Science Demystified – Make an informed selection by Vikram Bhadauria, Alok Industries, India Plant Tour Video – Flexahopper Plastics, Canada Five Easy Steps to Improve Efficiency by Sandy Scaccia, Norstar Aluminum Molds, USA Plant Tour Video – Miraplastek, Mexico Post Moulding Operation – Spin Welding Video Chat Room – Global Networking Opportunities January 20 Wednesday Performance Tanks – Indian Growth Opportunity by Ron Cooke, ExxonMobil Chemical, Canada Plant Tour Video – Floteks, Turkey The Future of Indian Polytank Industry – by Ashish Baheti, Vectus Industries, India Plant Tour Video – OK Play, India Ten Top Advantages of Good Design – by Mike Paloian, Integrated Design Systems, USA www.rotoworldmag.com 27

virtual conference. The Principal Sponsors were: Matrix Polymers – UK; Greenage Industries – India, Alok Industries – India; NA ROTO – India; and Platinum sponsor – Maxis Polymers. However the most satisfying comment at the end was when participants expressed that the takeaways from ROTOCON’21 were so many they did not actually miss the in-person StAR conference, which they had enjoyed attending in past years.

Umakant Savadekar

Vikram Bhadauria

Plant Tour Video – Pioneer Plastics, South Africa Post Moulding Operation – Hand Routing & Drilling VideoChat Room - Underground Tanks January 21 Thursday Recycled Waste Plastic in Roto Applications by Dr. Paul Hanna, QUB Economics of Rotational Moulding by Dhanu Patell, Reinhardt Teknik, India Plant Tour Video – Chunxu Group, China Opportunities in Indian Custom Moulding Industry by Akshay Saini, B D Group, India Plant Tour Video – CZ Plast, Czech Republic Quality Tests Video – Powder Testing & ARM Impact Test Chat Room – New Markets – Business Development Trade Show – Open at all times – 24 hours until February 1 StAR President & ARMO Chair welcomed conference participants StAR profusely thanks the ROTOCON’21 Sponsors who reposed confidence in the event by getting fully behind its very first 28 ROTOWORLD® MARCH-APRIL 2021

Comments on the conference from Industry Veterans “Congratulations to the entire team at StAR for putting on such a successful event. The presentations were so informative and it was unbelievable how much relevant information was shared by the speakers. The Plant Tours were most definitely also a hit, and I believe that StAR has “Set the Bar” extremely high for future on-line Conferences.” — Wayne Wiid, (ARMO Chair) and Pioneer Plastics, South Africa “We thought the idea of pre-recording presentations was good and it worked well. We also liked the virtual tours of moulders a lot. These were excellent and informative and we appreciated the openness of all moulders who made videos and gave presentations.” — Martin Coles, Matrix Polymers, United Kingdom

“Congratulations to you and your team. Very impressive work! I am sure this guide will be very appreciated in the Indian industry.” — Ronny Ervik, Ultrapolymers, Norway “StAR’s virtual event was the first time I’d seen a conference hosted that way. I really enjoyed it, found it informative, and would like to see it available in the future when travelling to the venue isn’t possible.” — Bill Spenceley, Flexahopper, Canada “Thanks all for your involvement. All the talks and videos of factories are very informative. Thanks StAR for this nice event.” — Dr. S. Waigaonkar, BITS Pilani, Goa “3 days – 3 hours of excellent knowledge sharing and gaining.” — Umakant Savadekar, Phychem Technologies, Nashik, India “First off, excellent job to the Rotocon 21 team regarding the conference. BRAVO. I found it very educational and enjoyable. There was a very good variety of presentations and discussions in the chat room at the end of each day’s session.” — Ron Cooke, ExxonMobil Chemical, Canada

DESIGN

COMMENT

Michael Paloian, Integrated Design Systems, Inc.

When Does the Job Officially End? The average person thinks product design is the time one spends in front of a computer creating three-dimensional parts that will ultimately be manufactured. Some designers also embrace this concept of product design. Unfortunately, this total misconception usually leads to a series of problems when products finally reach the production stage and marketplace. A person who sits at a computer all day creating parts for a product cannot be considered a designer. They could be referred to a draftsman or junior designer, depending upon their level of creativity. Some “designers” are experts with the CAD software but are severely limited in solving design problems. These individuals are sometimes referred to as CAD jockeys. Others do have problem-solving skills but must be directed and can be defined as junior designers. However, professional, experienced designers possess an extensive depth and range of knowledge associated with their particular area of expertise. These individuals are responsible for creating, developing, testing, verifying, and following up on a product’s production. They form the backbone of innovative new products that are introduced into the marketplace every year. Good designers at this level are few in numbers, and all share some common traits. They ask many questions, are highly inquisitive, highly knowledgeable, creative, well-rounded, and accept responsibility. When does their job begin, and when does it officially end? Their job begins when an idea is presented to them. The idea or concept may be well defined or vaguely conceived. These individuals ask many probing questions, which will help establish a physical embodiment for a product. These questions typically lead to a set of product specifications that form the foundation for the new device. As the project evolves, a certain amount of investigation, research, and information gathering is completed. Analysis of the information helps focus design tasks on a prioritized list of objectives which translated as concepts. This is a very critical phase of development since the selected concept establishes the foundation of the product and all future activities. The selected concept must now be detailed into a moldable, cost-effective set of parts that must be easily assembled, safe to use, attractive, and must comply with all the previously cited specifications. This highly abbreviated description during this development phase requires extensive experience, knowledge, objectivity, and constant checking. Although the work’s execution is done at the computer using CAD, a great designer/

engineer must vigilantly check every decision he or she makes throughout the process. Since product design and specifications affect everything associated with the product, nothing can be overlooked. It requires a designer to reach out to others for verification of factors affecting manufacturing, appearance, ergonomics, safety, material selection, structural requirements, environments of use, serviceability, product life, and hundreds of other vital parameters. After the design has been reviewed and approved by the entire development team, files are released to a mold maker. The designer must follow up with the mold maker to verify all the part design features are acceptable. After the tools are completed, and parts have been molded, the designer must be there to assist in the verification of form, fit, and function. The last part of the design, development process includes testing and validation of the production units. Yes, product design is a lengthy and time-consuming process that requires a unique individual with a wide range of skills, knowledge, and talent. The next time you look at a product, take a close look. Think of all the thought, time, and dedication invested by the person or persons who brought it to life. I welcome your comments and opinions. Please email me at paloian@idsys.com. www.rotoworldmag.com 29

ARM

REPORT

Serving the Rotational Molding Industry Worldwide for Over 40 Years

The mission of the Association of Rotational Molders is to promote, educate, and inspire the rotomolding industry. For more information, visit ARM’s website at www.rotomolding.org or contact the Association at 630-942-6589 or info@rotomolding.org.

Spring Executive Forum

On Thursday mornings this April and May, ARM will present a series of discussions and webinars geared toward rotomolding executives, HR teams, and more. All of our members are welcome to attend at no charge. Join us for one hour each week to hear top-notch speakers on executive topics such as hiring and employee management in difficult situations, economic outlooks, risk management for rotomolders and more. Following the webinar series, there will be an interactive discussion similar to the in-person Executive Forum. This is a great opportunity to network with leaders in the industry and learn from one another as we move forward together. At the time of publication, the dates below are more tentative than we’d like. ARM members will receive firm dates via our email newsletter and our website. If you have questions, please call ARM staff at 630-942-6589 or email info@rotomolding.org

April 22: “How HR Leaders Can Adapt to Uncertain Times” presented by Gloria St. Martin-Lowry April 29: “Managing Risk for Rotomolders” presented by Von Briesen Roper, covering the following topics: Goals in Risk Management, Indemnification/Warranties, Product Liability, Insurance, Personnel/Employment, Logistics, Barriers to Entry, and more. May 6: Chris Kuehl provides an economic forecast for 2021. He writes: As badly as we want to see 2020 in the rear view we are not likely to see instant improvement in the year to come. Most of our issues will still be with us but we have also seen some progress. Where are we with the pandemic? Are we looking at a “V” recovery or is it a “swoosh” and even a “W”. At this point there is modest enthusiasm - how long does that last?

April 8: Executive Panel Hosted by Daven Claerbout.

May 13: Rotomolder Automation Case Study & Panel Discussion

April 15: “Find and Keep Great Employees in the Worst Labor Market Ever” presented by Eric Chester. Strategies and Methodologies to Change the Way You Recruit, Hire, and Lead Employees. Based on interviews with thousands of owners, managers, and leaders of small companies and franchises.

May 20: Wrap-Up Panel hosted by Daven Claerbout

30 ROTOWORLD® MARCH-APRIL 2021

ARM

REPORT Another “Unprecedented” Year It’s been an entire year since the phrases “new normal”, “quarantine” and “unprecedented times” have become a part of our everyday vocabulary. Although it seems like yesterday that we were excited to join Italian counterparts for a rotomolding tour, time in the era of quarantine moves at an unpredictable pace. We have certainly learned a lot in the past year and are very proud of how well the Association has pivoted to meet the needs of our members. From our virtual meeting in September to our COVID-19 What’s Your Problem calls, we are focused on giving members up to date information not only on rotomolding technology but also on running a business during the pandemic, safety for employees and help with PPP loans. ARM will conduct Zoom Networking appointments online March 30-April 1. ARM staff will organize the meetings and send you an easy agenda with all of your meetings and connection information. This is a great way to schedule

meetings with your current and prospective vendors. Molders who took part in this program in September, told us they found the supplier meetings very valuable. To learn about all of the exhibitors taking part in the program visit bit.ly/alltheroto We’ve rescheduled Rotoplas to September 2021. We are still hopeful that this will be a face-to-face meeting and will once again bring the world of rotomolding together under one roof. Please save the date for Rotoplas, September 20-23, 2021 in Rosemont, Illinois. You can still view all of our exhibitors, hotel information and more at http://rotoplas.org. This website will continue to be developed as we get closer to the event. The call for papers has been opened again. Share a case study from your shop, discuss new technology, or tell us how you’re using semi-automation. Proposals are due by April 17. If we are unable to meet in person, speakers will be invited to participate in an online meeting. Please visit bit.ly/Rotoplas2021 if you’d like to present.

Committee Update A great way to get involved with ARM from your shop or office is to join a committee. All members are welcome. Committees are not a lot of work but provide a lot of networking and knowledge benefits for those who take part. Here is a look at what our committees were up to in 2020 and looking forward to 2021. In 2020, the Education Committee planned a successful virtual regional meeting focused on Part Cure and Process Control that included more than six presentations from industry leaders. They organize our webinar program along with our technical director and staff. ARM webinars were viewed more than 10,000 times in 2020. The Promotion Committee has been hard at work recruiting new members and sharing the benefits of ARM. Membership has consistently grown over the past few years. This year, retired members and luminaries were invited to What’s Your Problem Sessions as well as the Online Annual Meeting at the recommendation of the committee. The Technical Committee was formed in 2020 and is chaired by Technical Director Dr. Nick Hendwood. The Technical

Committee works in conjunction with, and in support of, the Education Committee. As a general principle, it will examine issues and projects that require the investigation of unknowns. Their main focus since inception is determining the part of the process that molders would most like to see automated. In 2021 the Process Optimization committee is looking forward to continuing to help troubleshoot issues that molders www.rotoworldmag.com 31

ARM

REPORT face. Both this committee and the Technical Committee are spending a lot of time discussing automation and semi-automation. The Forums & Programs Committee has been most affected by the changes we’ve seen over the past year. From planning an entire meeting in Italy to preparing for Rotoplas, flexibility has been the name of the game. We invited our European

counterparts to take place in our Spring Webinars and hope to reschedule our idea sharing Executive Forum with them in the future. We have also pivoted to planning education, speakers and more for the newly announced, Rotoplas 2021. Members found great value in the Online Annual Meeting and we thank everyone as always for being so willing to share.

ARM Doubles Online Education Access

ARM webinars were viewed 10,000 times in 2020, twice as many times as 2019. This number includes live webinar attendance and recorded webinar views, in which members watch our 10+ years of webinars at their convenience on the ARM website. We now offer more than 100 webinars on-demand for members. Members can access all of these titles immediately. • Operator Training Program (25 Videos) by Nick Henwood, Dru Laws, and more Click for the detailed contents • Finishing Series (5 videos): Secondary Finishing Operations, Graphics, EPS Molding, PU Foaming, In-Mold Label Free 32 ROTOWORLD® MARCH-APRIL 2021

Graphics and Coatings by Konstantia Asteriadou, Jason Brownell, Rick Carlsen, Corey Eystad, Nick Henwood, and Scott Saxman • Rotational Molding Design (6 videos) by Michael Paloian • Case Study: Body Board by Mario Poma • Challenges and Approaches in using Post-Consumer Recycled in Rotomolding by Henry Hay

ARM

REPORT The Benefits of Membership

Train your employees, reduce scrap, connect with customers, learn from experts and peers. This is what comes with membership and the return on your investment is tremendous. Complimentary Registration for the 2021 Annual Meeting Provided for one employee for each new member company. This is your free entry to the world’s preeminent rotomolding meeting, held once every three years. Sales Inquiry Notifications We review sales leads typically from companies seeking molders – and email them to our member companies. We actively advertise for leads on behalf of our members. Sample Operator Instructions An 80+ page document calling out the highlights of nine company’s operator instructions. Also more than 700 documents and presentations from past Annual Meetings. Immediate Free Access to more than 60+ on-demand webinars Topics range from Determining Your True Cost to Proper Sampling Techniques. A dozen new titles were added in 2019. Immediate Free Access to ARM’s classic training video library Includes programs on curing, venting, and good manufacturing practices. All videos include Spanish subtitles. Free Access to Troubleshooting Calls These moderated teleconferences are conducted every six weeks (eight

per year) and allow you to troubleshoot your process and discuss HR issues with other molders, suppliers, and rotomolding experts. Networking with Industry Peers The greatest ARM benefit: Informal learning at a coffee break could revolutionize your process or reduce your expenses by tens of thousands of dollars. We hear it from members again and again. Awards and Awareness Showcase your company in our online member directory and through awards including Safety Award, Product Competition, and more. Discounted Registration to all ARM Meetings Includes regional meetings, the in-depth Hands-On Rotomolding Workshop at Penn College, and our Executive Forum which will be held in Italy. Rotolink Our weekly e-newsletter announces upcoming programs, shares important industry news, and profiles our members. Annual Meeting The premier event for rotomolders, their suppliers, designers and educators. Programming includes professional and industry speakers, valuable networking, group workshops, and exhibition. To apply for membership, please visit www.rotomolding.org

www.rotoworldmag.com 33

ARMO Affiliates and Members Meet the Challenges of COVID-19 SUSAN GIBSON, JSJ PRODUCTIONS, INC.

The Rotational Molding industry throughout the world has stepped up to combat Coronavirus (COVID-19) — from developing and delivering life-saving PPE and other critical services to front line workers, to developing and manufacturing essential products. These product innovations have helped boost business in a time of enormous economic uncertainty. ARMO (Affiliation of Rotational Moulding Organizations) and its Affiliates’ members have many things in common, but one that has been very important during the COVID-19 Pandemic is the development and manufacturing of helpful products to assist in keeping communities and people safe. As the demand has surged over the past year for supplies like personal protective

gear, hand sanitizer, and more, rotomoulders have gone to extraordinary lengths — some ramping up production of products they already make, while others shifting their production to start making products they’ve never before manufactured. ARMO Chairman Wayne Wiid (info@armo-global.org) stated: “It is bittersweet to be writing as the Chair of ARMO during these crazy times. I was fortunate and honoured to be in the position to take over the reins from Katia Zoppetti, who did an amazing job as the first female ARMO Chair. She succeeded in further promoting the existence of ARMO and the Rotational Moulding Industry at large.

Poly Pod by Agri-Plastics International, Galway, Ireland

MISSION: The Affiliation of Rotational Moulding Organisations (ARMO) was established to provide an equal forum for organisations serving the global rotational moulding industry. ARMO is a voluntary group of organisations servicing the global rotomoulding industry, each having their individual memberships and structure. The members of the affiliation will work together to advise the industry through their individual organisations, however the vision of ARMO is to work co-operatively on various projects for the benefit of all members.

34 ROTOWORLD® MARCH-APRIL 2021

Having represented ARMSA (Association of Rotational Moulders of Southern Africa) on the ARMO Board for the last 9 years, I have managed to grasp the vision of ARMO, which all the previous Chairpersons and Committees have so passionately been sculpturing since its inception. While various associations around the world have succeeded in hosting virtual conferences and meetings, it has not been an easy time for anyone. However, possibly the most positive takeaway from the Pandemic is a reminder of how resilient the Rotational Moulding Industry really is, and when the going gets tough, the tough get going. And to that end, the ARMO rotomoulding community has engaged and stepped up to do their part by producing some invaluable products to meet the numerous challenges we have faced with the Coronavirus Pandemic. We look forward to the time, that we so easily took for granted, when we can meet face-to-face and share, learn, interact, and socialise. In the meantime, thank goodness for technology and advancements in communication. Please make contact with us should you have any queries regarding ARMO and its Affiliate Associations.”

Please visit the ARMO Global Website for some valuable information including the ARMO Rotational Moulding Educational Video and the latest issue of Roto Trends, which can be downloaded from the site https://armo-global.org/” ARMO Secretariat Paul Baxter (pbaxter@bpf.co.uk) stated: “ARMO was designed to encourage co-operation between rotational moulding associations across the world, to allow for the spread of ideas, and for a joint approach to the challenges facing the rotational moulding industry. As you can imagine, with 12 associations across 5 continents, our associations have had a diverse response to the Coronavirus Pandemic reflecting local situations and local rules. What ARMO has been able to do is bring these local ideas and local responses onto a global stage, to share best practices, new ideas, and innovative responses to what is the greatest crisis of our generation. By talking, discussing, and sharing we allow for the very best ideas to come to the fore, not just within our associations but across the world. By sharing resources and sharing responses we help not only to bring our industry together, but to be stronger together.”

The following is a closer look at how ARMO Affiliates and members companies are responding to and combatting the Coronavirus Pandemic, including various creative products designed specifically to meet the challenges at hand as well providing corporate aid and programs to support effected workers, customers, and communities. ARM (Association Rotational Molders) Facing unprecedented changes with the Coronavirus Pandemic, ARM reacted early by working hard to adapt to a fluid situation. They worked hard to determine how ARM could best deliver value to its members in the world of social distancing. With personal interaction between members limited for a period of time, they developed more online ways for members to interact and be educated and informed. ARM has continued to serve and assist its members during the Pandemic by developing and providing a multitude of services online including regular information from state and federal governments. ARM has assisted rotomolders navigate through the many new issues and challenges during these uncertain times. ARM has seen consistent membership growth over the past few years and throughout a volatile 2020 because we continue to deliver rotomolding education directly to our members. Last year they added 32 new webinars, including a series on designing rotomolded parts, to their online library of more than 100 presentations to view on demand. Since the pandemic ARM has conducted two online tradeshows allowing rotomolders to connect one-on-one with their suppliers over Zoom to discuss supply chain, new technology, and process improvements. As part Stacked Poly Pods

Poly Pod used for safe schooling.

of this program, they host an ongoing virtual exhibit hall at bit.ly/alltheroto There you can learn about more than 50 exhibitors and watch dozens of new videos from suppliers, sharing the newest machines, materials, and more. These videos were viewed more than 6,000 times in 2020. ARM’s Board of Directors made the decision to move the 2020 Rotoplas to 2021 because of travel bans impacting members, restrictions for holding meetings in Illinois, difficulties in international travel, and the safety of its members. In its place, ARM conducted an online Annual Meeting in September of 2020 free to members and invited all ARMO Affiliate members to join as well. The event included online education, a virtual exhibit hall, and networking opportunities. Attendance was great and rotomolders’ challenges, as a result of COVID, were addressed. As of this writing, ARM is hoping to host the industry’s major triennial trade show event Rotoplas in Chicago on September 20-23, 2021. A final decision will be made based on the state of the Pandemic in June. POLY POD by Agri-Plastics, Galway, Ireland www.thepolypod.com ARM member Agri-Plastics has re-purposed its Poly Pod, a rotationally molded product originally designed to house baby calves. Poly Pod has become a new idea for recovering lost indoor space in the outdoors. Due to the COVID-19 Pandemic, people have started using it in very creative ways for dining, storage, and schools. It is even being used for office and sleeping conversions. The Poly Pod will fit on transport trailers and can be easily lifted by four persons or a tractor. Its robust design and incredible material strength make it a long-lasting multi-purpose and very useful product for meeting the challenges brought forth by the Coronavirus Pandemic. This large Pod molded in one-piece for superior strength can be used all year round or set up for temporary use. It’s rigid enough to be used permanently, yet easy enough to move or take away quickly when needed. Best of all, it is stackable so multiple units can sit on top of each other for easy storage or transport. 36 ROTOWORLD® MARCH-APRIL 2021

Poly Pod used for safe dining.

The unique Poly Pod alternative for today’s pressing needs can be easily cleaned. It is made of 100% recyclable material and designed for strength and ventilation, which serves a multitude of uses. Poly Pod features include: • Large one-piece pod, molded for superior strength • Completely opaque • Stackable • Front ridge top roof vent • Rear top vent • 10-year limited warranty • Inside dimensions: 92” L x 81.5” W x 75” H 234 cm L x 207 cm W x 191 cm H • Made of 100% recyclable polyethylene

‘Essential Services’, especially if they operated in the Hygiene and Sanitation sector,” said ARMO Chair and ARMSA Representative Wayne Wiid. This did come with its challenges since there were various protocols and processes that would need to be implemented, but they managed to persevere.

As a sub-brand of Creva Agri International, The Poly Pod was established to sell pods into nontraditional use markets. The parent company has years of experience supplying the product to wholesalers in international markets. Business and consumers can easily purchase with a direct line to the manufacturing factory and international distributors so that bespoke large orders can easily be arranged and delivered. Ameri-Kart Corporation Bristol, IN www.ameri-kart.com ARM member Ameri-Kart, in the spirit of giving back to those that protect us and answer the call, donated much needed PPE to local police and fire departments as well as medical facilities in Bristol and Elkhart, Indiana. They wanted to say ‘thank you’ for all their hard work on behalf of others. They also purchased catered lunches for essential front-line production teams from local restaurants. Ameri-Kart supported their local hospitals by dropping off much-needed PPE, face shields, hand sanitizer, N95 masks, and nitrile gloves. They were delivered to Beacon Medical Group of Bristol and first responders and long-term health care provided by St. Joseph Regional Medical Center Hospital and Memorial Hospital. A spokesman said: “We thank you for your hard work, sacrifice, and commitment for providing excellent patient care to our community always, especially during the COVID-19 Pandemic. You are our heroes!”

Sanitiser Stand by Pioneer Plastics

“This Pandemic has forced a transformation for many of us including our association, which will only make us stronger and more resilient going forward.” — Wayne Wiid

ARMSA (Association Rotational Moulders Southern Africa) The Association of Rotational Moulders of Southern Africa (ARMSA) has continued to serve and assist its members during the COVID-19 Pandemic to the best of its ability and to the benefit of its members. “We were fortunate that during the hard lockdowns most of our members could continue to operate since they were deemed

The South African Government embarked on a Water Supply drive for the rural areas that had limited or no water supply. ARMSA assisted in this process by identifying companies that would be able to assist and were compliant with the SANS (South African National Standard) for Water Tanks. www.rotoworldmag.com 37

Sanitiser Stand by Pioneer Plastics

Thanks to technology, ARMSA leaders managed to keep in touch with their members. Imagine if there wasn’t access to the applications and software available today? ARMSA held their first virtual AGM, and it was a great success. Also, ARMO made the affiliated global events available to members, which were extremely successful and well attended. While they continue to guide their members with legislative, health, and safety issues advice, they are hoping they will be able to host a physical event towards the end of the year, but only time will tell. ARMO Chairman Wayne Wiid said: “This Pandemic has forced a transformation for many of us including our association, which will only make us stronger and more resilient going forward.” When first hit with the Pandemic and entering into the initial lockdown, most of ARMSA members embarked on communication and education efforts that were driven at the shop floor level. This involved video presentations, posters, and regular up-dates to staff as to what was happening, both locally and internationally. In addition, there was strict adherence to the normal protocols involving temperature checking for all staff on arrival at site, 38 ROTOWORLD® MARCH-APRIL 2021

Sanitiser Stand by Pioneer Plastics

documentation for tracking and tracing, social distancing, and the wearing of masks. In addition to the above, many ARMSA members were forced to change lunch and tea times with different staff members to force social distancing as well as limit the number of staff allowed in the change rooms as the same time, which would have an impact on production time. “Our members have managed to adapt well and make the best out of a bad situation. In some respects, the Pandemic has forced us to regroup and look at our businesses a little bit differently to the way we always have,” said Wiid. Sanitiser Stand by Pioneer Plastics, South Africa The emphasis placed on regular hand washing and sanitisation to stop the spread of COVID-19 created a huge demand for portable hand wash and sanitisation units. Moulders scrambled to convert existing products and develop new products that would be able to satisfy this sudden demand. The Pioneer Sanitiser Stand is an ideal portable sanitising station for varying applications including events, schools, shops, malls, offices, and factories to eliminate having to refill smaller sanitiser bottles. The Sanitiser Stand is customizable to suit clients’ branding and corporate image requirements. Its sleek design not only hides the concept of a bulky sanitiser container, but it creates a feature where clients can sanitise against potential hazards in the ‑workspace and retail environment. Along with being able to customize the colour, there is also space above for branding or instructions, cleverly designed to maximize on brand impact during the time a customer or employee spends at the sanitiser. The Sanitiser Stand has a 25-litre capacity, and the mister nozzle has a foot pump activated with the pump secured into a recessed cavity in the base of the unit. BPF – British Plastics Federation The British Plastics Federation (BPF) released a document highlighting the important contribution of the plastics industry in the fight against Coronavirus through the manufacture of PPE and critical infrastructure materials. Over the past year, the BPF has helped many organisations, including the UK Government, Scottish Government, and Welsh Government to source vital supplies of PPE for frontline healthcare workers. The BPF has also assisted a number of UK Government departments, including the Cabinet Office, the Department for International Trade (DIT), the Department of Health and Social Care, and has held regular meetings with the Department for Business, Energy, and Industrial Strategy (BEIS) to share key information. BPF members around the country have provided hospitals with plastic parts for ventilators, clinical waste sacks, aprons, face shields, visors, and millions of bottles for muchneeded hand sanitiser. The trade association’s visual document highlights key facts about the role of the plastics industry in the fight against COVID-19, which has been disseminated widely on

social media where the organisation has a strong presence. 1. During the height of COVID-19, plastics companies were called upon to deliver over 50,000 bottles of hand sanitiser per week to the NHS. 2. UK plastics companies have the capacity to deliver over three million visors per week to the NHS. 3. BPF research shows that the UK has capacity to manufacture more than 100 million aprons per month. 4. Demand for clinical waste sacks has increased 170% since the start of COVID-19. 5. Everything from a testing site to a Nightingale hospital requires a steady supply of plastic, including road barriers and construction products like flooring, insulation, pipes, windows, and roofing. Prior to COVID-19, less than 1% of PPE was manufactured in the UK, but by December 2020 domestic supply was anticipated to meet 70% of forecasted demand in England for all categories of PPE except gloves, according to government research. BPF members have been integral to this achievement and the trade association produced online resources during the height of the Pandemic, which aggregated key information for the industry to help businesses run effectively and safely, as well as providing a hosted an online ‘find a supplier’ service for companies and organisations in need of vital supplies. Members of the BPF were praised for their work in response to the Pandemic by the Parliamentary Under Secretary of State at BEIS Nadhim Zahawi at the trade association’s ‘virtual’ Annual Dinner last October. Director General of the BPF Philip Law said: “Since the start of the COVID-19 Pandemic, the BPF and its members have helped to meet the challenges faced by the NHS and industries across the country as they try to provide a safe environment for their staff, patients, and customers. Many BPF members have transformed and expanded their manufacturing operations, working longer and harder to ensure they can provide the protective equipment and medical supplies the UK needs. Over 100 of BPF members now manufacture PPE or the materials that supply PPE and we will continue to play their part in the fight against COVID-19.” ‘How the Plastics Industry Responded to COVID-19’ was disseminated to BPF members and is available to download (www.bpf.co.uk) to help the industry communicate its achievements to key decision makers, customers, the public, and staff. ARMA (Association Rotational Moulding Australasia) At the beginning of 2020, ARMA was looking forward to a very active year with events, launches, and factory visits as well as networking both domestically and internationally. “I do not think anyone could have foreseen the events to come, and as reports and closures started to happen it certainly seemed surreal and a long way from our shores here down under,” said www.rotoworldmag.com 39

ARMA CEO Michelle Rose. ARMA at the time had a planned trip to Mexico and Brazil to confirm factories for the upcoming Rototour and the decision was made to go ahead, but the virus was yet to unleash. Like many others around the world, ARMA faced a waiting game when it comes to information and restrictions being implemented, sometimes very quickly, so associations such as ARMA had to be ready to move and support their members as much as possible. With ties to government departments and important information portals, as soon as ARMA knew anything that impacted the rotational moulding industry they collated all the essential links and sent them out to all their regions instantly. ARMA also had access to funding assistance information for a wide range of countries, and this was forwarded to their entire database to help anyone that needed it, member or not. From there they developed company COVID plans and risk reduction templates as well as advice on how to manage staff through these uncertain times. “We started our 30 minutes with ARMA Online and pivoted to digital events, as outlined in our article in Rotoworld®. “Positives that have come out of this year for us and our members are a closer network of organisations willing to step in and help each other, and communicating more, both online and on the phone, rather than through emails. As a result, there was a general feel that we will get through this together,” said Rose. When COVID started to spread through Australia, there was a call for masks and they were almost impossible for the general public to access. Sharon Zhu, Wenling Rising Sun Rotomolding Technology Co., Ltd., immediately reached out and offered to send masks to ARMA as well as any other company that needed them, at no cost. Then when masks were made mandatory in Victoria, Australia, with very short notice, ARMA was able to send out batches to their members and supporters instantly to ensure that the industry could meet the new guidelines. Harry Huang, Wuxi Yisong Rotomolding Technology Co., Ltd, later provided more masks, ensuring that ARMA carries an ongoing stock. Every two years, ARMA runs a Masterclass series around Australia and New Zealand providing technical training workshops for the factory floor staff of the industry. With the restrictions this was not possible, though the training still needed. ARMA has had three factories step up to provide training within their factories that is professionally filmed and will be provided online to organisations in what is another complete pivot for us. A big thank you to Kiel Industries, Urban Poly Tanks, and Melbourne Rotomould for making this possible. Look out for the Masterclass at the Machine promotions in your inbox in the coming months! As an association, the ARMA Board and Staff have felt overwhelming support from the industry through what is a difficult year, and this has been highlighted in membership renewals and sponsorships. The staff have also made allowances to show their support through using long service leave, reducing hours, etc., while still providing a high level of service in all 40 ROTOWORLD® MARCH-APRIL 2021

aspects of their work, according to Rose. “We are very thankful to everyone in Australasia and around the world for your support and we look forward to when we can be together again with all our rotomoulding family,” Rose said. Hand Wash Stations KK Kingston, Papua New Guinea www.kingston.com Papua New Guinea is considered one of the last frontiers when it comes to seeing people living in villages and wearing little clothing as we know it in the western world. The villages are spread over one of the most mountainous countries, thousands of islands, and atolls. Development over than past 20 years has brought many changes and huge challenges. COVID-19 has certainly bought the greatest challenge in a country with over 850 languages, living in cities, squatter communities, and in villages spread throughout this mountainous country. The PNG Government acted quickly to monitor incoming visitors with the usual temperature checks, etc. at the airports but, as in most other countries, it was inevitable COVID-19 would arrive in PNG. The Government and the business community realised that if the virus really took hold there would be no controlling it. How do you educate people spread across the country in villages with 850 different languages, where communication is limited? Social distancing apart from in the workplace, is an impossible challenge. Imagine 12 people living in one small house no bigger than the living room in many homes of the western countries. Markets are gatherings of people selling produce. Some are formal markets with no more than grass roofed stalls by the roadside. Formal town/city markets are controlled by councils. One of KK Kingstons major distributors for our Tuffa product range, Mainland Plumbing Ltd, also owns supermarkets and management decided that to combat the spread of the virus, they would create hand washing stations outside each supermarket entry. Through this idea a hand wash station prototype was designed and promptly made. Immediately the town council decided this concept should be installed at the town market where there are up to 800 sellers of produce and thousands of buyers moving about in a very crowded area. With tweaking and some publicity by the council, the stations were installed, and word quickly spread. Suddenly KK Kingston was inundated with orders for the Tuffa single and double wash tubs, and Mainland Plumbing fitted them with the plumbing kits and delivered them. There is now a back log of 10 weeks on a 24/7 basis for these products. New moulds were built by KK Kingston’s own mould fabrication shop to allow them to be moulding a total of 10 cavities. Just how effective these wash stations have been in reducing the spread they will never know. However, as in many countries the fact that a wash station has been put in place and people made to use it has of course helped to create greater hygiene awareness in a community where hygiene is not a high priority. Health authorities have advised that the incidence of typhoid, diarrhea, and other stomach illnesses has dropped by

over 75%, which in itself is a major achievement. Qenos Bugger-Off Santiser alkatuff.com.au/ In early March of 2020, when the COVID-19 Pandemic was declared, it was becoming increasingly apparent that multiple items including hand sanitizer, toilet paper, and alcohol wipes would soon be impossible for Qenos to source. The company’s normal supplier had been inundated with requests for orders and had no stock. Supermarket shopping was not an option for Qenos due to the irrational panic buying that had set in by most Australian consumers. They needed supplies fast to ensure the continued operation of their facilities, particularly for the sanitation of the Main Control Rooms and Maintenance areas where shifts rotate on a regular basis. That’s where a bunch of talented Qenos Chemists stepped in! Using the World Health Organisation’s (WHO) recipe, Vi Dang, a chemist in the Olefines Laboratory at Botany, produced a significant batch of ethanol surface sanitiser which could be used along with kitchen wipes to clean desks, computer keyboards, and other objects being utilised by many different technicians. The 500g bottles being used can also be re-sanitized, refilled, and recycled. “I enjoyed revisiting my old mixing abilities, skills that I learned as a student at the University of Technology in Sydney in the early 90s,” said Vi. With available stock on hand in the laboratory, Vi was only too willing to mix up plenty of different sanitizing concoctions to keep the Botany workplace COVID-19 free. At the Altona sites, hand sanitizer was also in very short supply. Chemist Terry Mann remembered that he had 200 litres of the main ingredient left over from a project at Qenos Plastics, as well as other materials which they already had. “Really, it’s just like following a recipe for making a cake,” added Terry. With the help of Sarah Mann, Terry’s daughter and also a chemist soon to receive a Ph.D. (like father, like daughter), Sarah designed and made the labels for the hand sanitiser, “BuggerOff ”. A very appropriate brand name claimed to kill bugs. Distribution of the Qenos quality made products by laboratory staff has been well received and with the appropriate MSDS developed by Alan Findlay of the SHE Department, there could soon be a new internal business blossoming at Qenos. A big thanks to the team involved, what a great result! https://alkatuff.com.au/

Quenos Bugger-Off Santiser

www.rotoworldmag.com 41

StAR (Society of Asian Rotomoulders) The biggest challenge that StAR faced with the onset of the COVID Pandemic was that the functioning of the Indian Rotomoulding industry came to a near standstill because of total lockdown in the country. Social distancing came into practice, which meant that physical, one-on-one, or group meetings became almost impossible. Human suffering and fatalities due to the Pandemic were rising alarmingly, and whatever little emergency activity was possible had to be directed towards mitigating the extreme hardships. StAR took upon itself the responsibility of keeping up industry spirit by engaging its members, and non-members, with useful online activities like very frequent high-quality webinars, digital publications, and projects which could be accomplished through online participation. Webinars were held related to overcoming adversities of the Pandemic and its resultant challenges to the industry to

stimulate the right kind of ideas and thinking for all concerned to act positively and proactively. StAR members in particular, and the Indian Rotomoulding industry in general, worked in various ways to combat the ill effects of the Pandemic through innovative and scientific measures, systems, and rotomoulded products. Staff and workforce adhered to Government advised safety guidelines and precautionary measures to prevent and contain any spread of COVID-19. Temperature readings at all entry/ exit points, health checks, wearing of masks, maintaining social distances, washing of hands frequently, and abstaining from work at the first feel of illness, were some of the new ways of working. Safe distancing on shop floors became the new norm as new positioning layouts were practiced among floor personnel

“Several StAR member companies came forward in this hour of crisis to help the distressed sections of society with contributions in cash and kind as their social responsibility.” — S.B. Zaman

Shower sanitizer Baroda Polyform

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striking the right balance between prescribed inter personnel distance and functional needs. Production planning was done so as to keep less personnel together for fewer hours on the floor as revised schedules were put to work. Practical ways to get essential work done became the new logistics adopted by companies, which had been used to well programmed systems in both their inflows and outflows from plants. With supply chains disrupted due to lack of freight movement, international or domestic ad hoc measures were taken like the use of personal vehicles or irregular carriers. New kinds of vendor coordination was tried out for assembly parts. With mass exodus of migrant labour from the cities to the countryside during the Pandemic, rotomoulding companies had to make the most of the skilled labour that was available to them with senior staff lending a hand where they could be useful. “A new spirit of cooperation within the plant among the available personnel and staff, to some extent kept things going in the face of serious labour shortages,” said StAR Executive Director S.B. Zaman Several StAR member companies came forward in this hour of crisis to help the distressed sections of society with contributions in cash and kind as their social responsibility. Donations were made to keep hospitals equipped with the right gear to handle the enormous burden they had to cope with, or with supplies of food and essentials to the needy. Handy Wash OK Play & Baroda Polyform www.okplay.in www.barodapolyform.in Products were developed at quick pace to be useful in preventing the spread of the pandemic. Repeated washing of hands and disinfection of people and goods were critically important and these had to be hands-free in operation as transmission through touch was the biggest threat from the virus. Shower sanitizers to get disinfected as you pass through were made by OK Play and Baroda Polyform. For community sanitizing, a disinfection machine with a rotomoulded tank and parts was produced. Baroda Polyform manufactured a rotomoulded pallet for spillage as part of the disinfection machine. The mould was made by N.A. Roto for a very innovative “twin sink mounted on a single station” hand wash solution customer T Blustar RP – Twin. www.rotoworldmag.com 43

Correlation of Numerical Simulations/Static and Creep Test of a Rotomolded HDPE Structure (Part 2) By Eric Lainé1, Jean-Christophe Dupré1, Jean-Claude Grandidier1, Eric Maziers2

Institut Pprime, UPR3346 CNRS, ISAE-ENSMA, Université de Poitiers, F-86962 Futuroscope, France 2 Total Research & Technology Feluy, Zone Industrielle Feluy, B-7181 Seneffe, Belgique eric.laine@ensma.fr, jean.christophe.dupre@univ-poitiers.fr, grandidier@ensma.fr, eric.maziers@total.com 1

The authors propose to present in three parts a methodology that goes from the characterization of long-term creep of rotomolded material (Part 1: MACreeP of rotomolded polymer structures [1]) to the dimensioning of industrial rotomolded structure (Part 3: Case Study of a Long-Term Filled Industrial Storage Tank - Prediction at 20 years) through the correlation of numerical simulations / creep tests on a reference rotomolded structure (Part 2: Correlation of numerical simulations/static and creep tests of a rotomolded HDPE structure) to validate the behavior. This second part is a summary of work carried out by the authors over many years which has been the subject of several presentations and scientific articles. In the current context of research, competitiveness and technological innovation, numerical simulation assumes an increased role in the design, qualification, and certification of industrial products. Critical industrial decisions and compliance demonstrations are increasingly based on simulation. This is leading to a real change, as physical tests, which are used to form the essential part of these demonstrations, are increasingly becoming the reference for validating analyses. Indeed, the transition from the material sample for the characterization of the behavior to the design of the final product by numerical simulation can only be achieved by carrying out an intermediate step. This consists of a correlation between a test on a structure close to the one to be designed or a reference structure and the numerical simulation of this test. Methodology For example, the only possibility to validate the classical elastoplastic and/or creep behavior laws [2] identified from the mechanical tests (Part 1[1]), is the correlation between tests on structures and numerical simulations. The methodology of correlation (Fig. 1) is used to compare the measurements performed (displacement, strain, load) during a specific test on a reference structure (here a bottle) with the numerical results extracted from the numerical simulations of these same tests. From a numerical point of view, this requires perfect knowledge of the boundary conditions, how loads are applied, and more particularly for a rotomolded structure the exact 3D geometry. To do this a tomography (3D X-ray) of the structure is performed before the test. Its real geometry is reconstructed using specific software to have a CAD file that can be used with FEA software. Testing of rotomolded parts under stress These tests can be carried out on more or less complex test benches depending on the structure and the type of load 44 ROTOWORLD® MARCH-APRIL 2021

Figure 1: Methodology

required. For compression or bending tests, conventional testing equipment may be sufficient. For more complex loads, only a few testing machines are available. The Endomat experimental test bench (Fig. 2a) available at the Prime Institute, is a tri-axial mechanical testing machine that includes: • tensile-compressive (1200kN) • torsion (55kN) • internal pressure (1200bar) • tensile-compressive + internal pressure • torsion + internal pressure Different paths are possible: monotonous, load-unload, creep, fatigue (cyclic). Also, bending tests can be carried out with a specific assembly. It is equipped with a thermal enclosure (-40°C to 150°C) with humidity control [3-4].

Figure 2(a): Endomat test machine (b) Positioning of the bottle on the test machine

To perform measurements on structures, the full-field test methods used are mostly non-contact optical methods that give a distribution of data over a selected area. Among the known methods, Fringe Pattern Profilometry (FPP) and stereovision techniques are ideal for use on rotomolded structures undergoing large displacements. The principle of the FFT technique [5-10] consists of projecting a fringe pattern on the studied object. This pattern is formed by a series of vertical and parallel fringes having a sinusoidal evolution. The geometry of these lines is deformed by the relief of the specimen, then expressions of relief are linked to the phase φ of the recorded fringe pattern: (using a pinhole model, and assuming a negligible distortion of the camera and video-projector) [8] (1) The relief is then calculated with the phase φ and the geometric parameters of the set-up hp, d, ho, fp, and Pr (Fig. 3). The determination of these geometric parameters is obtained by a particular calibration process [8]. The fringe intensity (I) recorded by the camera can be expressed, at each pixel (i,j), given by: (2) with I0 the background and I1 the amplitude of the fringe pattern.

Figure 3: Rotomolded HDPE cube and Fringe pattern profilometry device

A phase-shifting process is used to extract the phase (i,j) from equation 2, The used method consists of recording several images and introducing a phase shift 0k. The computation of a Fourier transform for each pixel in the series of images is done to extract several harmonics given the phase [9]. This whole field technique is very accurate and gives at each pixel of the camera the relief and out of plane displacement. Nevertheless, in-plan displacement and deformation cannot be measured by this technique. That is why we have used other optical techniques based on stereoscopic vision and the track of markers deposed on the surface of the specimen. The two mains techniques are Digital Image Correlation [10,11] or mark

tracking technique [5,12-13]. It should be noted that these techniques are not field techniques compared to FFP. Considering that large displacement and strain are studied with several loading states (time computing), the mark tracking technique was chosen. This method allows us to measure 3D displacements of marks naturally or artificially deposed on surfaces. Furthermore, displacement obtained for each mark can be easily linked to the mesh of the simulation. The observation is based on a stereoscopic vision to obtain the evolution of mark positions in the space. In our case, the technique was performed by making a series of dots placed on the surface of the bottle by using a regular grid with a 20mm pitch between each marker horizontally and vertically. The markers on this grid are made with a pen. The analysis is done thanks to two digital cameras placed on either side of the normal specimen surface (Fig. 4b) [4-5, 13]. The coordinates of the markers are obtained on each camera by the calculation of the geometric center weighted by the light intensity (similar to a centroid calculation) [12]. Calibration of the optical device is necessary to link the 2D coordinates of the dots from each camera and the real 3D coordinates [13]. It is done by the recording of the image of a plate having a grid of marks. Correlation between known positions of the marks and measured coordinates of each camera gives the position and orientation of the cameras. The deformation field of the surface of the specimen is calculated by finite differences from markers defining a parallelogram. Assuming that the surface is locally plane, the Green-Lagrange tensor is calculated for each group of markers [4].

Figure 4(a): Realization of markers (b) Optical device.

Figure 5: Example of results: 3D displacement of each mark (dots) and out of plane displacement field (in color) for 3 states of loading – Visualisation of symmetry: neutral line (white, Ux=0 mm) for the horizontal displacement just before the rupture pressure (6mm rotomolded HDPE bottle)

www.rotoworldmag.com 45

Correlation between structural testing and numerical simulation of rotomolded parts The first example consists of a correlating numerical simulation/ compression test of a rotomolded HDPE cube. This structure is positioned between two plates of a traction-compression machine: one fixed and one mobile which moves during this test at 0.5mm/min. To measure out-of-plane displacements, the optical method of moiré projection is used on one side of the cube. Tomography of the cube is performed before testing with an accuracy of approximately 125 microns. The cube is modeled by 3D solid elements (quadratic hexahedrons). The elastoplastic law was constructed from the test described in [2]. This law has been identifying in traction but in this case, the material supports a compression, and when the buckling appears an unload appears on one of the surfaces. Results: • Fig. 6 (a) shows photographs of the deformed faces of the cube during testing after an 8mm displacement of the moving plate. The deformed state of the cube sides obtained by numerical simulation is placed in parallel to visualize the good correlation between simulation and test on the deformation kinetics. The mode of buckling is obtained with the numerical tools, this point proves the accuracy of geometry representations and accuracy of behavior law.

Figure 6(a): Comparison of deformed faces (experimental and numerical) (b) Correlation between measured and numerical out-of-plane displacement fields

Figure 7: Compressive load versus displacement of the moving platen obtained experimentally and numerically

46 ROTOWORLD® MARCH-APRIL 2021

• Fig. 6 (b) shows the experimental and numerical displacement fields out of the plane, on one side of the cube the fields are very similar. • Fig. 7 compares the global compressive load as a function of the displacement of the moving platen obtained experimentally and numerically. The results are very close, the numerical tool is predictive. Note: The simulation results show a good correlation with the experimental tests on the cube both in terms of the kinetics of deformation and the mechanical response (loading) under another load path (compressive) than the one used to the behavior characterization (tensile). A second example consists of a correlation between numerical simulation and creep test under 2bar internal pressure (29PSI) of a rotomolded HDPE bottle with a nominal thickness of 2mm. The test was carried out at 23°C for 6 hours using Endomat. Off-plane measurements of the bottle were carried out using markers. Tomography is done before testing with an accuracy of approximately 125 microns. Two numerical models are compared: 3D solid and shells (with constant thickness - Fig. 8). The law of creep behavior is identified from creep testing on a constant true stress specimen over a range from 2 to 10MPa, at 23°C for 24 hours according to MACcreeP [2]. Results: • The numerical results of the 3D models and shells (with a constant thickness of 2mm) are almost identical (Fig. 8), which increases the confidence of these numerical models. • The maximum swelling obtained by numerical simulation is about 3% greater than the experimental measurements. The slopes of curves are close. It does not diverge, this proves a good quantification of the evolution of the creep. • The maps of the experimental and numerical displacement fields are very similar (Fig. 9). • In the swelling area (in red on the maps on Fig. 9), the bottle is in a state of pure biaxial tensile stress over the entire thickness. It is important that the behavior law has been identified on creep traction tests.

Figure 8: Maximum swelling (or out-of-plane displacement) of the bottle as a function of time.

Figure 9: Fields of out-of-plane displacements (swelling) (a) experimental (b) numerical at t=21600s (c) 3D modeling (d) Shell modeling

Note: The correlation between simulation and creep test of the bottle underwater pressure shows a good predictivity of the numerical tool. In this case, the load is biaxial and again the numerical prediction is good. The third example consists of correlating the numerical simulation/cyclic test from 3.5 bars (50.7 Psi) to 5.5 bars (79.8 PSI) of a rotomoulded HDPE bottle with a nominal thickness of 4mm. This test was carried out using the same test bench (ENDOMAT) and the same optical method as the previous example. Tomography of the bottle (Fig. 10b and Fig. 10c) is done before testing with an accuracy of approximately 125 microns. The bottle is modeled by quadratic shell elements with constant thickness. The law of creep behavior is identified from creep testing on a constant true stress specimen over a range from 2 to 10MPa, at 23°C for 24 hours according to MACcreeP [2]. Results: • The numerical results of the 3D shell model are very close to those measured experimentally (Fig. 11) for the different cycles and on a large window of time. • The maximum swelling obtained by numerical simulation after 21600s and 300 cycles is about 2% lower than the experimental measurements (Fig. 11). In the swelling area, the bottle is in a state of pure biaxial tensile stress over the entire thickness and keeps this state.

Figure 11: Maximal displacement and pressure versus time for cyclic testing of a 4 mm bottle

Conclusion As stated in the introduction, numerical simulation is playing an increasing role in the design, qualification, and certification of industrial products and is increasingly replacing physical testing. However, in the design methodology of a structure, the simulation versus test correlation step is required and necessary: • to identify the behavior laws of the materials used and take into account volume effects • to have a perfect knowledge of the geometry of the structure via tomography and geometric reconstitution • to master the FEA numerical tool (boundary conditions, choice of modeling, type of finite elements, etc.) • to use a high-performance and accurate non-contact optical measuring method • to have the possibility to carry out specific and complex tests The previous examples show that the behavior laws established according to the MACcreeP [2] provide very good predictability in different loads and structures (cube, bottle). The two optical methods used during the tests are perfectly adapted to make measurements on rotomolded parts, whatever their dimensions and deformation range. It is now possible to dimension an industrial rotomolded structure for marketing according to the required standards. Acknowledgments This work was partially funded by the French Government program “Investissements d’Avenir” (EQUIPEX GAP, reference ANR-11-EQPX-0018). The authors would like to thank M. Cruz, F. Brémand, V. Valle, F. Hesser, V. Quezel, and I. Turrena (Institut Pprime) for their participation in this study.

Note: A viscoplastic creep law leads here to a predictive numerical result of a cyclic test.

References Those wishing to obtain more detailed information are referred to the following sources of information [1-13]: [1] E. Lainé, E. Maziers, J.-C. Grandidier, MACreep of Rotomolded Polymer Structures (Part 1), RotoWorld®, Vol XVII, Issue 6 (2020/2021). www.rotoworldmag.com 47

[2] E. Lainé, C. Bouvy, J.-C. Grandidier, G. Vaes, Methodology of Accelerated Characterization for long-term creep prediction of polymer structures to ensure their service life, Polymer Testing 79 (2019). [3] E. Lainé, J.-C. Grandidier, M. Cruz, A.-L. Gorge, C. Bouvy, G. Vaes, Acoustic emission description from a damage and failure scenario of rotomoulded polyolefin sandwich structure subjected to internal pressure for storage applications, Mechanics&Industry 21(105) (2020). [4] E. Lainé, J.-C. Dupré, J.-C. Grandidier, M. Cruz, Instrumented tests on composite pressure vessels (type IV) under internal water pressure, Int J Hydrogen Energy 46 (2021) 1334-1346. [5] F. Brémand, M. Cottron, P. Doumalin, J.C. Dupré, A. Germaneau, V. Valle, Mesures en mécanique par méthodes optiques, Techniques de l’ingénieur, 2. R1850, 2011. [6] L. Pirodda, Shadow and Projection moiré technique for absolute or relative mapping of surface shapes, Opt. Eng. 21 (1982) 640-649. [7] C. Brèque, J.C. Dupré, F. Brémand, Calibration of a system of projection moiré for relief measuring application to biomechanics. Optics and Laser in Engineering 41(2) (2004) 241-260.

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[8] Y. Morimoto, Y. Imamoto, Error causes and error reduction in fringe pattern analysis by phase shifting method using Fourier transform, Experimental Mechanics (1994) 379-384. [9] D. Zheng,F. Da,Q. Kemao, and H. S. Seah, Phase-shifting profilometry combined with Gray-code patterns projection: unwrapping error removal by an adaptive median filter, Optics Express 4700 25(5) (2017). [10] J.-J. Orteu, 3-D computer vision in experimental mechanics, Optics and lasers in engineering 47(3-4) (2009) 282-291. [11] M. A. Sutton, J. H. Yan, V. Tiwari, H. W. Schreier, J.-J. Orteu. The effect of out-of-planemotion on 2D and 3D digital image correlation measurements, Optics and Lasers in Engineering 46(10) (2008) 746-757. [12] N. Bretagne, V. Valle, J.-C. Dupré, Recent developments of the mark tracking technique: application to strain field and volume variation measurements, NDT & E International 38/4 (2005) 290-298. [13] A. Germaneau, P. Doumalin, J.-C. Dupré, C. Brèque, F. Brémand, S. D’Houtaud, P. Rigoard, Experimental analysis of mechanical response of stabilized occipitocervical junction by 3D mark tracking technique, European Physical Journal, 14th International Conference on Experimental Mechanics, Poitiers (France),. EPJ Web of Conferences 6, 21004 (2010).

INDUSTRY 4.0

EPISODE 7

Rob Miller, Wittmann Battenfeld Canada Inc. / ROTOLOADTM

Happy April!

It’s hard to believe that April is already upon us. For many of us in the North, spring is just around the corner, giving us hope of warmer weather, sunshine, and getting back outside. Even though it sometimes seems like our days are on endless repeat, time is still passing, and some days are passing quickly. In the last episode, we made a request of some industry questions, interested in where 4.0 can perhaps take us. Thankfully, there were a few responses. Our first question comes from Dutchland Plastics. Question: Will we be able to accurately predict the range of ‘size dimensionally’ knowing the construction of the mold and the material specifications? In other words, if I have my final design, using digital reproductions of the mold and material, can you tell me for 100 pieces what the high and low dimensions will be, factoring in the breaking in or conditioning of the new mold? Answer: In trying to determine the best investigation and response, I looked very basically at what is required to make any ROTO part. This includes the mold, resin, machine, and process (process parameters). In order to provide the most detailed and accurate answer, I wanted to investigate each of these factors a

little deeper to see how they might contribute to the net result. The Mold To get started with the mold perspective, I first reached out to Vince Costello of Diversified Mold and Castings Co. Vince responded with “All mold styles (CNC, Cast, and Fabricated) are built to more or less ‘industry standards’ from a tolerance standpoint. Each individual mold builder has tolerance standards they work to, but they may vary from mold builder to mold builder. That said, what’s important is that any mold can be measured dimensionally and qualified to meet the dimensional tolerance expected by the mold builder and the customer. That is the easy part.” Then I reached out to Sandy Scaccia of Norstar Aluminum Molds, Inc. He responded with “Interesting question, because ‘range’ or ‘dimensional’ tolerance is not in control of the mold.” Things that affect dimensional range are as follows: • Material consistency • Rate of heat up • Rate of cool down • Amount of cure of the parts www.rotoworldmag.com 49

INDUSTRY 4.0

EPISODE 7 • • • • •

Amount of mold release applied Variability of venting (improper or inconsistent packing) Wall thickness The presence of inserts Consistency from cycle to cycle

In summary, their responses were quite similar; they both brought up that the mold itself cannot be relied upon to control the dimensional stability of the parts coming from it. While different mold manufacturing techniques (Fabricated-loosest, Cast-moderate, and CNC-tightest) will have some net effects on the tolerance of the produced parts, there are far too many outside factors contributing to the process to predict dimensional stability based purely on the method of construction of a mold. The Resin Even outside of the various grades of polyethylene, the tolerance of the parts in the end is much more reliant on the process itself than the tools or material used for the manufacturing of the specific part. Having a couple of discussions with my resin friends, I was able to understand a little better the exact chemistry and physical properties of the plastic. When it is fully melted, polyethylene molecules move around freely in a random order.

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It always helps me to think about processes in my head if I can put a picture to it. Think of a dump truck full of firewood, all thrown in randomly. As the polyethylene cools, movement of the molecules stops, and their order becomes fixed. Now think of the load of firewood being dumped. Polyethylene is a semi-crystalline polymer, meaning that it contains both crystalline and amorphous molecules. Next, imagine the air between the pieces of firewood. When polyethylene is cooled, there will be regions of a combination of structured molecules (crystalline) and unstructured molecules (amorphous). Now think of the firewood sitting in a huge, random pile. There are a number of factors that can affect the amount of crystalline and amorphous fraction in polyethylene and this ultimately is what affects shrinkage and warpage of the rotomolded part. Next, imagine how long it takes you to pile the sticks of firewood. In the rotomolding process, the rate of part cooling has a significant effect on the crystalline and amorphous amount fractions and therefore has a large effect on shrinkage, warpage, and the physical properties of the part. The longer you take to organize and stack the firewood, the smaller spaces (less volume) that it will take up as you reduce the amount of air between the sticks. A slower part cooling process allows more time for the polymer to crystallize, so there will be larger regions

INDUSTRY 4.0

EPISODE 7 of the crystalline structure resulting in the rotomolded part being a bit smaller. Picture a nice, single-file pile of firewood sticks. An inconsistent cooling rate throughout a day or week, due to ambient plant temperature changes and other outside influences, both during and after the cooling cycle, will result in inconsistencies related to part shrinkage and warpage. Imagine you receive multiple firewood deliveries by different people in different trucks and each day, the firewood is stacked differently. The use of Industry 4.0 principles and control techniques to ensure consistent part cooling over a range of varied ambient conditions will result in less variability in part shrinkage and warpage, and a more consistent part outcome. Now picture that there are specific instructions for how to pile the firewood, and each pile should be very close to the same size and density. Therefore, the ability to use this technology as well as data parameters to ensure consistency will allow for some level of prediction with increased accuracy. The Machine Reaching out to Adam Covington, president of Ferry Industries, certainly gave me a little more insight. Covington’s statement is as follows: “Rotational molding machinery, particularly Ferry’s RotoSpeed machines, currently offer semi-automated process control monitoring and active process improvement features. These are designed and intended to enhance part consistency and reduce the influence of variables that impact part dimensional stability. Existing tools for active feedback and data logging are intended to support improved process control and repeatability. This valuable data can be used to drive changes to process recipes autonomously and manually. However, the machine software and hardware can’t predict what the final part tolerances will be. Machine systems can support significantly narrowing the field of variables that contribute to inconsistent parts throughout the cooking, cooling, and service activities while on the machine, particularly when driving machine actions based on live sensor feedback. The machinery and its data can support communication to other equipment as a part of the Industry 4.0 system, but reliable prediction of part sizes prior to molding is likely not possible at this stage. Rather, this collection of data and the interactions of the molding cell system can aid in driving tighter process control from silo to shipping dock, enabling the molded parts to meet final, intended design specifications and tolerances more consistently.” The Conclusion The short answer to Dutchland Plastics is an unfortunate no. Industry 4.0 principles are not able to provide any pre-molding predictions to the accuracy and consistency of the tolerance of any given 100 parts. However, industry 4.0 principles can absolutely be applied to the process to take all of the operator decision making and

environmental inconsistencies out of the process to guarantee the best possible and most consistent outcome, cycle after cycle. All of the industry colleagues that I discussed this topic with were adamant, and in agreement, that it is the environment and the consistency of the process that can and will contribute to the quality of the parts. Remember from my earlier episodes that one of the key components of Industry 4.0 is a very large amount of data. This is where data can become useful. Using readily available technology to measure and record environmental conditions, plant ambient temperatures, machine process temperatures, oven heats, pre-cool, cooler temperatures, and levels of humidity can provide a vast knowledge base of how a given process performs under a specific set of circumstances. Taking that vast data and using AI to pair that information with PIAT information as well as IRT can lead to a very repeatable process, regardless of the given changes and normal fluctuations of a specific environment. This requires some work, interpretation of the data, perhaps some primary machine controls and hardware upgrading, and most of all, communication with the primary process machinery. But it can work, and very efficiently in a number of other industries and environments. I mentioned in one of my earlier episodes the comparison of mass farming principles. Gone are the days of the farmer going out and picking up a handful of dirt, letting it filter through his fingers to bow away in the prevailing winds, then using his gut instinct to determine when to plant or when to harvest. Most commercial farming operations (organic, non-GMO, or fully engineered) are all highly advanced. They are all going high -tech, using drone moisture analysis, sunlight, and temperature comparisons as well as a vast array of other technologies to track every single aspect of the environment and their fields. They use this vast data to automatically determine every possible step and influence of the planting, growing, watering, fertilizing, and harvesting process. In farming as well as ROTO, it starts with talented, experienced individuals on our teams to ensure that we are using the data to the best possible results. All applications of Industry 4.0 principles require human thought, input, and justification. However, the theory is that once a process is in motion, data can be used to guarantee the outcome. The fact is that we have that experience and intel within our human capital. Over the last several months, I have not spoken to a molder that has too many people. When is the right time to invest in the knowledge and experience of our trusted employees and maximize our quality and output with the minimum amount of manual labor? Reducing our labor component and allowing for the best possible yields will only add to the ever-important bottom line. Industry 4.0 is proving across a vast array of manufacturing industries that the time is now! www.rotoworldmag.com 51

ARMO

NEWS

ASSOCIATION OF ROTATIONAL MOULDERS AUSTRALASIA INC. • ARMA

Presidents Report – Trudi Duncan It is an intriguing feeling for myself to miss seeing you all over the last 18 months, but I have recently recognised that is exactly what I am experiencing. It is a true highlight of our industry; feeling that genuine want to connect with you all, to discuss the trials, tribulations, and successes of our various endeavours both professional and personal. Very few organisations have such a connected group of people across the globe. I know that my work life would not be as enriched without you all in it and I acknowledge all that I have and can continue to learn from you going into the future. At our ARMA events, it is not only the Rotational Moulding knowledge that I take away with me, but various other ancillary tips and tricks to help make both my work life and personal life easier. I have, as have many of you, been extremely lucky to go even further and been invited into factories to tour facilities and see firsthand the technology and techniques used within various companies to aid them in their process. So, you can see that a big chunk of my professional development is disrupted by not being able to connect with you all! As a result, my thought is to share with you some tech that myself and fellow ARMA members have found useful over the last 12 months. Hopefully, there is something in here that intrigues you or helps you to organise, declutter, inspire, teach, and/ or learn. If you like something, please let me know! Conversely, if there is any technology that has made an impact in your life recently, I would love to know about that too. 1. Trello: Online & Mobile App: an easy-to-use online project management software with a great mobile app, Trello is a fully customizable, visual collaboration tool which you can set up however you want and allows you to create a shared perspective of organising all your to-do’s in a flexible, simple way. It has a “sticky note on a wall” feel and set up is super easy. It has a whole host of integrations and can be used for things such as mind-mapping a system, to simple production workflows, to keeping track of the status of custom order enquiries. 52 ROTOWORLD® MARCH-APRIL 2021

ARMO

NEWS 2. Genius Scan/Adobe Scan: Mobile App: quickly and easily take a picture on your phone or tablet and create a “scanned” document. Integrate with online storage options such as Google Drive and Dropbox. We use this feature in factory to quickly capture goods documents, production cycle count documents, etc., and store them online with an easily searchable function. 3. Cloud HQ Meeting Scheduler for Gmail: If your email hosting is through Gmail - include a link in your email where people can easily and quickly schedule a meeting with yourself using your availability in Google Calendar without the backward and forward of “are you available, am I available”. 4. Workplace App/Slack: Use this for everyday communication between teams and companywide. Easily chat with team members off-site, post pictures of installations you see in the field, see what others are working on and posting about and to easily stay up to date. Consider this a more visual and interesting way to stay in the loop rather than email. 5. Youtube: Created unlisted videos that you can share with your team via a website link, record, and easily store your staff & tool-box meetings. A great resource if you have members who cannot be on-site for meetings and you cannot conduct them via Zoom or similar web-based meeting platforms. 6. No Bullsh*t Leadership Podcast by Chris Hirst: A straightforward, plainly worded podcast, giving you a practical guide for what techniques leaders can use every day to get stuff done. 7. The Ideal Team Player Audiobook by Patrick Lencioni: “The Ideal Team Player presents a powerful framework and easyto-use tools for identifying, hiring, and developing ideal team

players in any kind of organization. Whether you are a leader striving to create a culture of teamwork, a human resources professional looking to hire real team players or an employee wanting to make yourself an invaluable team member, this book will prove to be as practical as it is compelling.” 8: Cyberlink Power Director: This allows you to produce and publish pictures, audio, and movies that are branded and comes with a ton of effects including picture in picture. Cheap fast easy to use and allows you to edit raw video files, etc., into videos that are good enough to share with clients globally.

Rotomould Conference Postponed to 2022 The ARMA Board of Directors have made the difficult decision to postpone our annual conference to the 19th – 21st June 2022. It will still be held in the stunning Hobart location. The international borders in Australia and New Zealand are currently

closed and will be unlikely to open until towards the end of the year. As well as this state borders close suddenly, which discourages travel even within Australia.

Masterclass at the Machine As previously reported the ARMA Masterclass at the Machine Technical Series has been filmed in factories over the past few months and the final footage is being collated. In line with the launch of this training, more localised events will be organised in capital cities such as Auckland, Brisbane, and Melbourne in the month of June. The training will then go online and be available to purchase for continued access on a company basis. Keep your eye out for future promotions on this!

MASTERCLASS AT THE MACHINE

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ARMO

NEWS BRITISH PLASTICS FEDERATION ROTATIONAL MOULDING GROUP • BPF

Massive tax ‘super deduction’ scheme for plant and machinery investment explained at BPF webinar

• BPF webinar open to all plastics companies • Live Q&A session The Chancellor presented an exciting development opportunity for UK plastics companies within his recent Budget. A new ‘super deduction’ tax break was announced that allows companies to cut their tax bill by 25% on every £1 they invest between 1 April 2021 and 31 March 2023, was discussed at a British Plastics Federation webinar. Presented by tax specialists Mark Simpson and Timothy Jarvis, who are partners at Squire Patton Boggs, the global law firm, the webinar examined the opportunities this tax deduction scheme presents for companies within the plastics industry. For example, companies investing in qualifying new plant and machinery assets will be able to claim: • A 130% capital allowance on their new plant and machinery investments • A 50% first-year allowance for qualifying special rate assets This new tax deduction is intended to stimulate investment in productivity – enhancing plant and machinery assets that will help businesses grow. This new support makes the UK, the world for the net value of the plant and machinery allowances 54 ROTOWORLD® MARCH-APRIL 2021

according to the Organisation for Economic Co-operation and Development (OECD). A company investing £1m in qualifying expenditure, for example, can claim a deduction of £1.3m (130% of the initial investment) when calculating its taxable profits. Deducting £1.3m from taxable profits will save the company up to £247,000 on its corporation tax bill. Commenting on the scheme, BPF Director General Philip Law states: “This tax deduction scheme will boost investment in new machinery and equipment in the UK plastics industry at a vital time, providing companies with an opportunity to improve their productivity, global competitiveness, and environmental profile. We encourage plastics manufacturers and recyclers to ensure they capitalise on this government concession”.

ARMO

NEWS ‘Understanding the New Tax Super-deduction Scheme for Plant and Machinery Investment’ also featured a Q&A session. Companies can visit the BPF website to find out more at www.bpf.co.uk The Government have updated their testing and financial support guidance, please see the updates below: Free Workplace Testing All businesses regardless of size are now able to register to order free workplace testing kits for their employees who are unable to work from home. Register interest by 31 March to access regular free workplace testing. Self-Employment Income Support Scheme Find out if you are eligible for Self-Employment Income Support Scheme fourth grant which will cover the period February 2021 to April 2021: • grant will be set at 80% of 3 months’ average trading profits, paid out in a single installment, capped at £7,500; • grant will consider 2019 to 2020 tax returns and will be open to those who became self-employed in tax year 2019 to 2020; • to be eligible for the fourth grant you must be a self-employed individual or a member of a partnership. Deferred VAT Payments Find out how to pay VAT payments deferred between 20 March

and 30 June 2020. You can pay now or join the VAT deferral new payment scheme. If you’re on the VAT Annual Accounting Scheme or the VAT Payment on Account Scheme, you can join the scheme from 10 March 2021. Further information is available here. SME Toolkit • The government have published a document that provides an overview of actions to take, outlines support, helplines and resources that may be useful for SMEs, as well as signposting more detailed guidance on Government websites. • The SME Brexit Support Fund could give businesses up to £2,000 to help with training or professional advice, if your business has up to 500 employees and no more than £100 million annual turnover. New Rules on Professional Qualifications If businesses wish to practise a regulated profession in the EEA or Switzerland and have not yet had their professional qualifications recognised in the EEA or Switzerland, businesses should: • Check the European Commission’s Regulated Professions database to find out if their profession is regulated where they intend to work. • Contact the single point of contact for the country in which they intend to work to find out how to get their professional qualification recognised there.

Association of Rotational Moulders Australasia Inc. Tel: +61 (0) 7 3812 1450 www.rotationalmoulding.com CEO: Michelle Rose Cheif Executive Officer: Michelle Rose michellerose@rotationalmoulding.com

Association of Rotational Moulders Southern Africa PO Box 6966 Birchleigh 1621 Gauteng South Africa Tel: +27 82 772 3769 Fax +27 12 541 1738 Chairman: Wayne Wiid info@armsa.co.za www.armsa.co.za

IT-RO Italia Rotazionale Katia Zoppetti Via E. Brigatti 12 20152 Milano (MI) Italy Tel: +039 348 7652560 www.it-ro.it

Association of Rotational Moulding (Central Europe) e.V. (ARM-CE) MAUS GmbH - Rotationsgießformen Am Viehweg 9 - D-76229 Karlsruhe Amtsgericht Mannheim, HRB 103433 Tel.: +49 (0) 7 21 / 9 48 74 12 Fax: +49 (0) 7 21 / 9 48 74 44 Mr. Oliver Wandres, ARM-CE Chairman info@rotational-moulding.de www.rotational-moulding.de

British Plastics Federation Rotational Moulding Group 6 Bath Place Rivington Street London EC2A 3JE United Kingdom Tel: 020 7457 5000 Fax: 020 7457 5045 Chairman: Mr. Philip Maddox PhilipM@LeafieldEnv.com

The Nordic Association of Rotational Moulders Executive Board Chairman: Mr. Ronny Ervik ul. Zielona 8, 61-851 Poznan, Poland Tel: +48 607-126-004 Fax: +48 61-858-8611 info@rotomoulding-europe.org www.nordicrotomoulding.org www.rotomoulding-europe.org

Society of Asian Rotomoulders (StAR) 40/145, Ground Floor, Chittaranjan Park New Delhi 110019 Tel: + 91-11-41630157 Fax: +91-11-41634952 Mob: + 91- 9810305356 sb.zaman@staraisa.org arnacz@satyam.net.in www.starasia.org

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GLOBAL

APRIL 13-16, 2021

CALENDAR

CHINAPLAS

MARCH 21-25, 2021

Shenzhen, China

ROTOPLAS 2021

Rosemont, Illinois USA rotomolding.org • SAVE THE DATE (final decsion with COVID in mind to come in June) 56 ROTOWORLD® MARCH-APRIL 2021

GLOBAL

FEBRUARY 4-8, 2022

CALENDAR

PLASTINDIA Pragati Maidan New Delhi, India

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ADVERTISERS’

INDEX

60 ExxonMobil Chemical Co. PO Box 96126 West Springs Calgary, Alberta Canada, T3H 0L3 800.668.0177 kevin.c.jamieson@exxonmobil.com https://www.exxonmobilchemical.com /en/products-and-services/ polyethylene 7 Ferry Industries, Inc. 4445 Allen Road Stow, OH 44224-1093 USA 330.920.9200 sales@ferryindustries.com www.ferryindustries.com 9, 15 Jerico Plastic Industries, Inc. 7970 Boneta Road Wadsworth, OH 44281 USA 330.334.5244 Minerva Plant: 330.868.4600 steve@jericoplastic.com www.jericoplastic.com 11 Matrix Polymers The Priory Orchard Hill Little Billing Northhampton, NN9 9AG United Kingdom +44.1604.789100 sales@matrixpolymers.com www.matrixpolymers.com 21 NOVA Chemicals 1555 Coraopolis Heights Road Moon Township, PA 15108 412.490.4311 Doug.Biela@novachem.com www.novachem.com 5 OREX Rotomoulding SP. Z O.O. Cieszyriska 6, 43-520 CHYBIE Poland +48 32 440 83 15 magda.wantola@orex.pl www.orex-rotomoulding.com

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48 Poliplast S.p.A. Via Carrali, 8 24020 Casnigo (BG) Italy +39.035.724145 info@poliplastspa.com www.poliplastspa.com 3 Powder King, LLC 41780 N. Vision Way Unit 120 Bldg. 2 Anthem, AZ 85086 USA 623.551.9897 sales@powder-king.com www.powder-king.com 2 Roto Polymers 26210 Emery Road, Suite 202 Cleveland, OH 44128 USA 1.844.POLIMER (1.844.765.4637) info@rotopolymers.com www.rotopolymers.com 59 Rotomachinery Group Via Crosa, 53 28065 Cerano (NO) Italy +39.0321.772021 polivinil@polivinil.com www.rotomachinerygroup.com 57 VMP, Inc. 24830 Avenue Tibbitts Valencia, CA 91355-3404 USA 888.4.VMP.INC 661.294.9934 info@vmpinc.com www.vmpinc.com 23 Wittmann Battenfeld Canada Inc. / ROTOLOADTM 35 Leek Crescent Richmond Hill, ON L4B 4C2, Canada 905.887.5355 Toll Free: 1.888.466.8266 info@wittmann-group.ca www.wittmann-group.ca

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ARMO Affiliates and Members Meet the Challengs of COVID-19 ROTOCON’21 is a Significant Success S.B. Zaman, StAR Executive Director

Correlation of Numerical Simulations/ Static and Creep Test of a Rotomolded HDPE Structure (Part 2) Eric Lainé, Jean-Christophe Dupré, Jean-Claude Grandidier, Eric Maziers

RotoWorld 1, 2021

Articles inside

Industry 4.0

Design Comment