1.Oxygen transmission instrume test O2 of plastic bottles ,plastic pouches in air or in 100% oxygen 2 ... aluminum composite films, high barrier films and many others. Eg. PET, OPP, CPP, LDPE, BOPP* Sheetengineering plastics, rubber, waterproof ... paper, paper-plastic composite, glass, and metal packages, eg: bottles, containers, Techinical Parameter itemY201DY204DTest range0.02~16500 CM3/M2/day ...