Home / Standards / GB/T 6669-2008 GB/T 6669-2008 Active Flexible cellular polymeric materials - Determination of compression set 软质泡沫聚合材料 压缩永久变形的测定 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