Suppliers of Ethylene Copolymers including EVOH, EVA, EPDM, EAA etc. EVOH or Ethylene Vinyl Alcohol a copolymer of ethylene and vinyl alcohol provides excellent oxygen barrier properties. EVA - ethylene vinyl acetate helps absorbs physical shock and finds use in footwear EPDM - ethylene propylene diene terpolymer, a synthetic rubber offers heat, ozone and weather resistance