ISO 2440-1997 软质和硬质泡沫聚合材料 加速老化试验

标准号：ISO 2440-1997
中文标准名称：软质和硬质泡沫聚合材料 加速老化试验
英文标准名称：Flexible and rigid cellular polymeric materials - Accelerated ageing tests
标准类型：G30
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：G30
国际标准分类号：83.100
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.