Home / Standards / GB/T 22459.10-2025 GB/T 22459.10-2025 Active Refractory mortars—Part 10:Determination of permanent change in dimensions on heating 耐火泥浆 第10部分:加热永久线变化试验方法 Standard Type GBT ICS 81.080 CCS Q40 Status 现行 Issue Date 2025-03-28 Implementation 2025-10-01 Responsible Dept 国家标准委 Drafting Unit N/A