Home / Standards / GB/T 9640-2008 GB/T 9640-2008 Active Flexible and rigid cellular polymeric materials - Accelerated ageing tests 软质和硬质泡沫聚合材料 加速老化试验方法 Standard Type GBT ICS 83.080.01 CCS G31 Status 现行 Issue Date 2008-08-19 Implementation 2009-05-01 Responsible Dept 中国轻工业联合会 Drafting Unit 中国轻工业联合会