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Modern Top Grade Rubber Stamps and Polymer Stamps Rubber stamps arrived on the scene more than a hundred years ago. Back in those days they used vulcanising process to make rubber stamps. That process is still in use to make cheap stamps. Fast forward to today. You have middle of the road polymer technology that came into use a couple of decades ago and today it is laser cut rubber stamps that give the best, sharp and clearest impression. Both processes are fast. Laser is a bit faster. Which one is better depends on your end purpose but it is good to know the difference so you can pick one according to your need and budget. Your rubber stamps Melbourne maker may offer you both types.
Polymer stamps The older technology of vulcanised rubber made use of metal lettering arranged in the mould after which the rubber compound was pressed over the lettering and clamped. Steam took care of curing the rubber. Polymer or rather photopolymer stamps are a vast improvement. The process involves use of a photo negative and a photo polymer resin. The resin is poured into a block. The negative is placed over the resin and exposed to UV light. The exposed part hardens. The unexposed part is washed away with the help of a washout solution. Rubber stamps Melbourne makers usually have a compact machine to make polymer stamps.
Photopolymer technology is a huge improvement over the older vulcanised rubber technology. You can combine text and line art graphics. However, there is a drawback in that fine lines and https://www.stamps.net.au/
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small letters such as “o” and “e”, for example, may not print with absolute clarity because of the etching process. Still, for general use, the photopolymer stamp is cheap and convenient. It is time consuming since you first need to prepare a negative, then expose the photo polymer and wash it. The surface may not be flat in which case the print may be uneven.
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Laser cut rubber Laser cut rubber is the latest technology widely used by the top rubber stamps manufacturers. The base material is rubber sheet manufactured to precise tolerances. That in itself assures perfect flatness resulting in evenness of print. The process of laser cutting a rubber sheet to make the stamp is simple enough. A computer processes the artwork and sends the print command to the laser printer. High heat of the laser ray ablates the rubber and creates the final design. It is that simple. The rubber sheet goes into the stamping machine. This is why it is so easy to order custom stamps from rubber stamp manufacturers and receive the stamp in just a couple of days. You can create your own artwork or let the maker do it for you. Even fine type as small as 8 point prints sharp and clear. The impression rivals print.
The next time around you think of buying regular rubber stamps or custom stamps from rubber stamps Melbourne maker, insist on laser cut rubber stamps.
Source: https://stampstore.home.blog/2020/03/25/modern-top-grade-rubber-stamps-and-polymer-stamps-thedifference/
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