标准摘要
[中文适用范围]： ISO 291:2008 规定了与所有塑料和所有类型的测试样本在恒定大气条件下的调节和测试相关的规范。 适用于特定试验或材料或模拟特定气候环境的特殊大气不包括在本国际标准中。 [外文原描述]： ISO 291:2008 sets out specifications relating to the conditioning and testing of all plastics and all types of test specimen at constant atmospheric conditions. Special atmospheres applicable to a particular test or material or simulating a particular climatic environment are not included in this International Standard.
英文名称Plastics — Standard atmospheres for conditioning and testing