Home / Standards / GB/T 25997-2010 GB/T 25997-2010 Abolished Polyisocyanurate products for thermal insulation 绝热用聚异氰脲酸酯制品 Standard Type GBT ICS 91.100.60 CCS Q25 Status 废止 Issue Date 2011-01-10 Implementation 2011-10-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A