Home / Standards / GB/T 25045-2025 GB/T 25045-2025 Active Basalt fiber roving 玄武岩纤维无捻粗纱 Standard Type GBT ICS 59.100 CCS Q36 Status 现行 Issue Date 2025-01-24 Implementation 2025-08-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A