Home / Standards / GB/T 39696-2020 GB/T 39696-2020 Active Determination of flowability of fine ceramic powders—Calibrated funnel 精细陶瓷粉末流动性测定 标准漏斗法 Standard Type GBT ICS 81.040.10 CCS Q30 Status 现行 Issue Date 2020-12-14 Implementation 2021-11-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A