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Standard
| GB/T 7755.2-2019 Rubber, vulcanized or thermoplastic -- Determination of permeability to gases -- Part 2: Equal-pressure methods (English Version) |
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Detail of GB/T 7755.2-2019
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Introduction of GB/T 7755.2-2019
本部分规定了在试样两侧等压且存在浓度差的状态下，用气相色谱检测法（方法A）和库仑计检测法（方法B）测定硫化橡胶或热塑性橡胶气体透过率、气体渗透系数的方法。
本部分适用于硬度不小于35IRHD(国际橡胶硬度)的硫化橡胶或热塑性橡胶。
Contents of GB/T 7755.2-2019