Home / Standards / GB/T 21558-2008 GB/T 21558-2008 Active Rigid polyurethane cellular plastics used in the thermal insulation of building 建筑绝热用硬质聚氨酯泡沫塑料 Standard Type GBT ICS 83.100 CCS G30 Status 现行 Issue Date 2008-03-24 Implementation 2008-10-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A