Gas Permeation Tester is applicable in the measurement of gas permeability rate, solubility coefficient, diffusion coefficient and permeability coefficient at various temperature of plastic films, laminated films, high barrier material, sheets, foils and rubber, including breathable film and tyre seal performance, etc. Gas Permeation Tester conforms to ASTM D 1434, ISO 2556, ISO 15105-1, JIS [...]