... all the packaging's permeability with high precision, reliable, stable, Oxygen Permability rate Tester – Coulometry theory Method Standards:ASTM D 3985 ... K-7126 ; GB/T 19789-2005, Function:To test package oxygen transmission rate. Application :* Filmsrigid films, shrik films, stretch films, plastic ... support . Our laboratory: Part of our customer: Our team: film oxygen permeation analyzer