Ethylenevinyl acetate Wikipedia
Ethylenevinyl acetate (EVA), also known as poly (ethylenevinyl acetate) (PEVA), is the copolymer of ethylene and vinyl weight percent of vinyl acetate usually varies from 10 to 40%, with the remainder being ethylene. There are three different types of EVA copolymer, which differ in the vinyl acetate (VA) content and the way the materials are used.