Home / Standards / GB/T 45920-2025 GB/T 45920-2025 Active Ferro-sulphoaluminate cement 铁铝酸盐水泥 Standard Type GBT ICS 91.100.10 CCS Q11 Status 现行 Issue Date 2025-06-30 Implementation 2026-01-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A