Home / Standards / GB/T 32991-2016 GB/T 32991-2016 Active Test method for density uniformity of mineral wool for thermal insulation 矿物棉绝热材料密度均匀性试验方法 Standard Type GBT ICS 91.100.60 CCS Q25 Status 现行 Issue Date 2016-10-13 Implementation 2017-09-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A