Evoh akagadziriswa neAmerican monsanto kambani muma1970s, uye yayo yakanaka oksijeni yezvivakwa zvakakosha zvakanyanya kuti ive neyakawedzera hupenyu hweshebhu. Evoh haina kunyatsomiswa pakuomesa magasi uye nguvo. Evoh aine yakadzika ethylene yezvinyorwa zvine mano makuru: 1) inoshandiswa sechinhu chinobatanidza, chivakwa chacho chine midziyo makumi matatu yakakwira kupfuura iyo yePVDC; 2. 3) Kuregererwa kwezvinhu zviri 75-100 nguva zvakakwirira kupfuura izvo zveAcrylonitrile Copolymer. Iwo akasiyana mamakisi eEVOH aine zvakakwirira eTtley zvinhu zvine zvevakarongeka gasi chipinganidzo zvivakwa zvakafanana nePVDC. Uye zvakare, iyo gasi rinotsungirira zvivakwa zveEvoh kuderera nekuwedzera kwekunyorova.
Tipack Brand evoh Barrier PP Trays inogadzirwa zvakanyanya uye yakaburitswa kune yakachena chikafu chekudya. It has a series of advantages such as high barrier, high strength, excellent optical properties, wear resistance, cold resistance, and good processing adaptability, and has been sold to the United States, Canada, Britain, Russia, Poland, France, Peru, Italy, Australia, New Zealand, India, iyo Philippines, Singapore, South Korea, Japan uye mamwe mazana enzvimbo uye nematunhu kutenderera pasirese.