EVOH (Ethylene Vinyl Doro) resins yakawana kushandiswa kwakapararira muindasitiri yemotokari, kunyanya munzvimbo yemafuta masisitimu, nekuda kwehukuru hwekuvharira zvivakwa. Kugona kweEVOH kudzikisa kupindira kwehutsi hwepeturu kunoita basa rakakosha mukuchengetedza kwezvakatipoteredza uye kuchengetedzwa kwemotokari, ichimaka sechinhu chakakosha mukugadzirwa kwemazuva ano kwemotokari.