... permeability with high precision, reliable, stable, Oxygen Permability rate Tester – Coulometry theory Method Standards:ASTM ... GB/T 19789-2005, Function:To test package oxygen transmission rate. Application :* Filmsrigid films, shrik films, ... data;3, Two calibration methods of standard gas calibration and standard film calibration, 4, Versatile ... our customer: Our team: film oxygen permeation analyzer