Home / Standards / GB/T 45760-2025 GB/T 45760-2025 Active Fine ceramics—Determination of bulk density of powders—Untapped density 精细陶瓷 粉体堆积密度测定 松装密度 Standard Type GBT ICS 81.060.30 CCS Q30 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