Orevac 18211 Modified ethylene based terpolymer Atofina Ethylene co-terpolymers - solid (EVA, EMA) >> Maleated >> Maleic anhydride EVA terpolymers ADHESIVE >> Tie layer OREVAC 18211 is a modified EVA based terpolymer specially intended to be use as tie layer between PS, EVOH and PE in sheet coextrusion.