This standard specifies the method for testing the dimensions (length, width, thickness, edge straightness, squareness, surface flatness) and surface quality of ceramic tiles. Inspection of length, width, side straightness, squareness and surface flatness, excluding bricks with an area less than 4cm2. Spacer flanges, glaze blisters and other edge irregularities which are concealed in mortar joints after tile laying shall be disregarded when measuring length, width, edge straightness and squareness.
GB/T 3810.2-1999 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