Home / Standards / GB/T 24764-2009 GB/T 24764-2009 Active Steel slag sand for polymer modified mortar for external thermal insulation on outer-walls 外墙外保温抹面砂浆和粘结砂浆用钢渣砂 Standard Type GBT ICS 77.140.99 CCS H54 Status 现行 Issue Date 2009-12-15 Implementation 2010-07-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A