ISO 2782-1:2022 PDF

This document specifies three methods for the determination of the permeability to gases of vulcanized or thermoplastic rubber under a differential partial pressure.

The three methods specified are as follows:

— a pressure sensor method (using vacuum): for determining the gas transmission rate, gas permeability coefficient, gas diffusion coefficient and gas solubility coefficient;
—; a simplified sensor method (using applied pressure): for determining the gas permeability coefficient only;
— a gas-chromatographic method: for determining the gas transmission rate and gas permeability coefficient.

These methods apply to vulcanized and thermoplastic rubbers of hardness not less than 35°IRHD (international rubber hardness degrees) and to both single gases and mixtures of gases.

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Published :	04/01/2022