Gas Permeation analyzer/ASTM D1434/OTR
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N500 Gas permeation tests the gas transmission rate (GTR) of packaging material. widely used in, pharmaceutical industry,flexible packaging materials (plastic film, barrier materials,university and quality institution for gas(O2,CO2,N2,)permeation test a
N500 Gas permeation tests the gas transmission rate (GTR) of packaging material.
Working principle
Use different pressure method .Put the prepared sample between the upper and lower chamber ,clamping it. Then do the vacuum for the whole system .Close the lower testing chamber, input test gas in the upper chamber, make sure form constant pressure between the two side of test sample, for differential conditions, the gas will permeate from the high pressure to lower pressure side, by monitoring the pressure of the lower pressure side to get parameters of various kinds testing samples.
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