Ki sa ki se materyèl EVA?
Karakteristik materyèl Ethylene-vinyl acetate (EVA), ke yo rele tou poly (ethylene-vinyl acetate) (PEVA), se yon copolymer de ethylene ak vinyl acetate.EVA se yon polymère elastomerik ki pwodui materyèl ki "tankou kawotchou" nan tendres ak fleksib...
2024-11-25