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 vinyl acetate laser cut.
The fastest laser engraver on the market with a max.
From a reader of this blog i received something to experiment with.
Both of these types of foam are okay to cut on the epilog laser at techshop sj.
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.
There are three different types of eva copolymer which differ in the vinyl acetate va content and the way the materials are used.
Processing speed of 140 in sec.
Advantages of a trotec laser.
Eva stands for ethylene vinyl acetate and it s a copolymer.
Stone pvc toxic and harmful to the machine materials with high moisture content like fruit vegetables damp.
Ethylene propylene ethylene vinyl acetate.
Laser cutting velcro velvet vinyl 090 vinyl 090 vinyl fabric vinyl pressure sensitive.
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.
And acceleration of 5 g.
Most stuff sold as tool box foam is polyethylene pe or ethylene vinyl acetate eva and is way too expensive.
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.
The lowest cost pe foam i found was a blue camping pad from walmart.
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.
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.
Laser engraved designs can be reproduced at any time with the same quality and appearance for larger quantities.
Eva foam is characterised with very low water absorption softness and good shock absorption.
Laser cutting is faster than a knife cut.
I m mostly using my 50w laser cutter machine with plywood simply because that material is available and very inexpensive.
