Home / Standards / GB/T 31850-2015 GB/T 31850-2015 Active Test method for thermogravimetry(TG) of no-matallic sealing materials 非金属密封材料热分解温度测定方法 Standard Type GBT ICS 59.100.99 CCS Q69 Status 现行 Issue Date 2015-07-03 Implementation 2016-06-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A