michael kors outlet online Labthink VACV1 Gas Permeability Tester can be applied 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.Place the preconditioned specimen concerning the upper chamber and lower chamber, clamp it tightly. First vacuumize the lowpressure chamber (lower chamber), and the whole system. Should the specified measure of vacuum is achieved, stop running the lower test chamber and feed test gas on the upper test chamber (underhand chamber) until certain pressure is reached.
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