Application Oxygen permeability tester is based on the coulometric sensor method and available for the otr test of flexible films, sheeting and packages. It can test 3 specimens in one operation with independent results. Films: Plastic films, aluminum foil, aluminized films, plastic composite films, paper-plastic composite films, coextruded films, aluminum foil composite films and many others. Packages: Plastic, rubber, paper, paper-plastic composite, glass and metal packages, e.G. Red wine bottles, blister, various plastic bottles, coke bottles, peanut oil packages, tetra pak materials, vacuum bags, metal three-piece cans, plastic packages for cosmetic, soft tubes for toothpaste, jelly and yogurt cups