1.Oxygen transmission instrume test O2 of plastic bottles ,plastic pouches in air or in 100% oxygen 2 ... :* Filmsrigid films, shrik films, stretch films, plastic films, plastic composite films, paper-plastic composite films,aluminized films, aluminum foil, aluminum ... PVC, PVDC, and nylon*Packagespaper, plastics, rubber, paper, paper-plastic composite, glass, and metal packages, eg: bottles, containers, ...