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Eva (Ethylene-vinyl acetate (EVA)
Adaba ewu, mfe ịgbado ọkụ.
Ezigbo ike, nguzo ihu igwe, nguzogide okpomọkụ dị ala.
Ngwurugwu nke onwe ya, ọdịdị mmiri dị ala nke dị ala, na ezigbo permeability.
Nguzogide mmebi nke ihe na-edozi aru dika acid, alkali, nnu, mmanu, wdg.
Ezigbo arụmọrụ seepage na nnukwu ihe mgbochi.
