Plastics. Film and sheeting. Determination of gas-transmission rate - Differential-pressure methods Ingestion-build-64721 recreation rooms

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Plastics. Film and sheeting. Determination of gas-transmission rate - Differential-pressure methods Ingestion-build-64721 recreation rooms1 Scope This part of ISO 15105 specifies two methods for determining the gas transmission rate of single layer plastic film or sheet and multi layer structures under a differential pressure. One method uses a pressure sensor, the other a gas chromatograph, to measure the amount of gas which permeates through a test specimen.