C130H Gas Permeability Tester

ASTM D 1434, ISO 2556, ISO 15105-1, JIS K 7126-A

C130H Gas Permeability tester is a newly launched unit with innovative structure design and upgraded test accuracy and efficiency. This Gas Permeability Tester features high end, secure, easy-to-use, higher accuracy and excellent temperature and pressure control. Can be used for gas transmission rate, solubility coefficient, diffusion coefficient and permeability coefficient determination of barrier materials.

VAC Series Gas Permeability Testers - Permeation Instrument

ASTM D1434, ISO 15105-1, GB 1038, ISO 2556, JIS K 7126-A, YBB 00082003

VAC Series Gas Permeability Testers are classical models of differential pressure gas permeability testers manufactured by Labthink. they are equipped with 1, 3 or 6 test cells with different temperature and humidity control devices to meet various customers requirements. They are widely used and recognized by the worldwide enterprises and laboratories.

Summary of Test Method
Put a preconditioned specimen between the upper chamber and the lower chamber and clamp it tightly. Firstly apply vacuum to the low-pressure chamber (lower chamber) and then the whole system. When the specified degree of vacuum is reached, shut off the lower test chamber and feed test gas of certain pressure to the upper test chamber (high pressure chamber). Ensure that a constant differential pressure (adjustable) is maintained across the specimen. Hence under the gradient of differential pressure the test gas permeates from the high-pressure side to the low-pressure side. By monitoring and measuring the pressure in the low-pressure side we can get various barrier parameters of the tested specimen.