Home / Standards / GB/T 39826-2021 GB/T 39826-2021 Active Fine ceramics—Determining flexural bond strength—Four-point bending method 精细陶瓷 界面弯曲强度测定 四点弯曲法 Standard Type GBT ICS 81.060.30 CCS Q32 Status 现行 Issue Date 2021-03-09 Implementation 2023-04-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A