BS 2782

BS 2782系列标准属于英国标准英标，是关于“塑料的试验方法”的标，在BS 2782关于老化测试部分主要是关于玻璃板下的日光暴晒照射、自然风化或实验室光源照射的颜色变化和性质改变的测定。

BS 2782英文简介

BS 2782-5-Method 552A1999 ISO 4582-1998

ISO 2782-1:2016 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:

- pressure sensor method (using vacuum): for determining the gas transmission rate, gas permeability coefficient, gas diffusion coefficient and gas solubility coefficient;

- simplified sensor method (using applied pressure): for determining the gas permeability coefficient only;

- 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.