G2131 is based on differential pressure method and applicable to the determination of gas transmission rate, solubility coefficient, diffusion coefficient and permeability coefficient of barrier materials and packages at different temperatures.more...
DM2330 is based on differential and equal pressure method, and applicable to gas permeability test of films and packages. It is designed for the test of gas transmission rate, solubility coefficient, diffusion coefficient and permeability coefficient.more...
Bty-b2p is based on the differential pressure method, and is professionally applicable to the determination of gas permeability of battery diaphragms, breathable films and other relative polymer products.more...