http://www.downriggerrelease.com/mi chael-kors-outlet.html Labthink VACV1 Gas Permeability Tester is pertinent 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.You can put preconditioned specimen between your upper chamber and lower chamber, clamp it tightly. First vacuumize the lowpressure chamber (lower chamber), and the whole system. After the specified volume of vacuum is achieved, power down the lower test chamber and feed test gas for the upper test chamber (high-pressure chamber) until certain pressure is reached.
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