... bottles ,plastic pouches in air or in 100% oxygen 2 testing barrier material, Oxygen Permability rate Tester – Coulometry theory Method ... ,aluminized films, aluminum foil, aluminum composite films, high barrier films and many others. Eg. PET, OPP, CPP, LDPE, BOPP* ... sensors with over-range protection, continuous data collection, accurate and reliable data;3, Two calibration methods of standard gas ...