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RUBFAST-467, ZOROFAST-WR , ZOROFAST-FMD Rubbing Fastness Improver
Sarex
RUBFAST-467, ZOROFAST-WR, ZOROFAST-FMD
Rubfast-467, Zorofast-WR, Zorofast-FMD - Specialty finishing agent to
improve Dry and Wet rub fastness of all types of dyed and printed cotton and their blends. Compatible with certain cationic and nonionic silicone finishing agents. Can be applied by both dry-on-wet and wet-on-wet application.
Improves by 1.5-2.0 units on Direct, Reactive, Sulphur, Indigo and Pigment dyed fabrics
RUBFAST-467
ZOROFAST-WR
ZOROFAST-FMD
Contains DMF
Cost effective
DMF free
CHARACTERISTICS Sarex
RUBFAST-467, ZOROFAST-WR, ZOROFAST-FMD
Physical appearance
Light yellow clear liquid
Ionic nature
Cationic
pH of 1 % solution
5 +/- 1
Miscibility
Miscible with water
Compatibility
Compatible with cationic and nonionic products
Stability
Stable to dilute acids and dilute alkalies
Flash point
65-75°C
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APPLICATION
Step wise procedure for preparing Rubfast-467 solution
Take 0.3-0.6 g/l acetic acid To this, add required quantity of Rubfast-467 and mix it uniformly Make the total volume with water (pH 5.8-6.2) mix it uniformly Mix well to get uniform solution
Solution of Rubfast-467 will appear slight hazy and turbid with pH 3.7-4.2
Padding process : Pad --> Dry at 130-160oC Exhaust process: 40oC, 20-30 min (with intermittent stirring) Dry --> Curing at 150-160oC, 2-3 min
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MERITS
▪ Improvement in rubbing fastness ------ 1.5-2 units ▪ Flash point ----------------------------------- 70°C ▪ APEO/NPEO/OPEO ------------------------- Free ▪ Compatible with various finishing agents ▪ Works very well on Reactive, Direct, Vat and Sulphur dyed fabric. ▪ Along with silicone softener gives good wet rubbing fastness with acceptable softness on these fabrics. ▪ Also works well on Indigo dyed denim fabric
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DEMERITS
▪ Not durable
▪ Shade change : Shade changes observed (increase in depth11%. No tonal variation) ▪ Handle : Imparts slight harshness on the fabric ▪ On indigo dyed fabric, Rubfast-467 along with softener does not show any improvement in the rubbing fastness property
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Rubfast-467 on various substrates
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Rubfast-467 on Pigment printed fabrics
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Rubfast-467 Suitability with various Finishing agents
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Rubfast-467 : Suitability with Hydrophilic silicone softener and Dye fixing agent
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Thank You For more information visit our website: http://www.sarex.com/textile/
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