Home / Standards / GB/T 1966-2024 GB/T 1966-2024 Active Porous ceramics—Determination of apparent porosity and bulk density 多孔陶瓷 显气孔率和体积密度的测定 Standard Type GBT ICS 81.060.30 CCS Q30 Status 现行 Issue Date 2024-07-24 Implementation 2025-02-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A