This part of GB/T 3810 specifies the inspection methods for the dimensions (length, width, thickness, edge straightness, straight angle, surface flatness) and surface quality of ceramic tiles. Spacer flanges, glaze blisters and other edge irregularities which are concealed in mortar joints after tile laying shall be ignored when measuring length, width, side straightness and squareness.
GB/T 3810.2-2016 history
2016GB/T 3810.2-2016 Test methods of ceramic tiles.Part 2: Determination of dimensions and surface quality
2006GB/T 3810.2-2006 Test methods of ceramic tiles - Part 2: Determination of dimensions and surface quality
1999GB/T 3810.2-1999 Test methods of ceramic tiles-- Part 2: Determination of dimensions and surace quality