GSO ISO 2440:2015
柔性和刚性多孔聚合材料 加速老化测试

Flexible and rigid cellular polymeric materials -- Accelerated ageing tests

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标准号

GSO ISO 2440:2015

发布

2015年

发布单位

GSO

当前最新

GSO ISO 2440:2015

 

 

适用范围

This International Standard specifies, for flexible and rigid cellular polymeric materials, laboratory procedures which are intended to imitate the effects of naturally occurring reactions such as oxidation or hydrolysis by humidity. The physical properties of interest are measured before and after the application of the specified treatments. Test conditions are only given for open cellular latex, both open- and closed-cell polyurethane foams, and closed-cell polyolefin foams. Conditions for other materials will be added as required. The effect of the ageing procedures on any of the physical properties of the material may be examined, but those normally tested are either the elongation and tensile properties, or the compression or indentation hardness properties. These tests do not necessarily correlate either with service behaviour or with ageing by exposure to light.

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