Home / Standards / GB/T 3810.3-2026 GB/T 3810.3-2026 Upcoming Test method of ceramic tiles—Part 3: Determination of water absorption, apparent porosity, apparent relative density and bulk density 陶瓷砖试验方法 第3部分:吸水率、显气孔率、表观相对密度和容重的测定 Standard Type GBT ICS 91.100.25 CCS Q31 Status 即将实施 Issue Date 2026-02-27 Implementation 2026-09-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A