Ethylene Vinyl Acetate Laser Cut

This soft but firm foam can be easily laser cut with zmorph vx and has many practical applications which we ll cover in the next section of this article. I m mostly using my 50w laser cutter machine with plywood simply because that material is available and very inexpensive. Ethylene vinyl acetate eva also known as poly ethylene vinyl acetate peva is the copolymer of ethylene and vinyl acetate the weight percent of vinyl acetate usually varies from 10 to 40 with the remainder being ethylene.

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Laser engraved designs can be reproduced at any time with the same quality and appearance for larger quantities.

Ethylene vinyl acetate laser cut. I have used it cutting or engraving pmma polymethyl methacrylate or plexiglas simply because that material is more expensive. Eva stands for ethylene vinyl acetate and it s a copolymer. Ethylene vinyl acetate is a type of plastic a polymer with a wide variety of uses both residential and industrial. Laser processing of eva foam can be accomplished with a 9 3 micron or 10 6 micron co 2 laser with little appreciable difference in process quality.

Eva foam is characterised with very low water absorption softness and good shock absorption. Advantages of a trotec laser. Processing speed of 140 in sec. And acceleration of 5 g.

The food and drug administration fda has stated that ethylene vinyl acetate is safe when used in food production packaging or transportation and it s not an especially dangerous material. Laser cutting is faster than a knife cut. Stone pvc toxic and harmful to the machine materials with high moisture content like fruit vegetables damp. From a reader of this blog i received something to experiment with.

There are three different types of eva copolymer which differ in the vinyl acetate va content and the way the materials are used. Laser cutting velcro velvet vinyl 090 vinyl 090 vinyl fabric vinyl pressure sensitive. The lowest cost pe foam i found was a blue camping pad from walmart. Both of these types of foam are okay to cut on the epilog laser at techshop sj.

Most stuff sold as tool box foam is polyethylene pe or ethylene vinyl acetate eva and is way too expensive. Eva foam overview ethylene vinyl acetate eva foam which is also known as polyethylene vinyl acetate peva is a co polymer of ethylene and vinyl acetate. Ethylene propylene ethylene vinyl acetate. The fastest laser engraver on the market with a max.

I went on a hunt for other less expensive sources for the same stuff. Eva foam sheets ethylene vinyl acetate aka craft foam or eva mats up to 1 5 it cannot cut. Metal but it can engrave or mark it with cermark spray located in the machine storage area use sparingly this spray is very expensive.