1. Watch the corners
When buying tiles, you can align and overlap two brand tiles to see if the lower corners are neat, whether the error is within the specified range, etc. You can also use a ruler to measure the length of the diagonal to see if it is consistent Wait.
2. Observe the surface
The smoothness of the surface of the flat tile is very important, which can not only see the quality of the tile facing the light and reflection. You can also see tile quality issues. Of course, the chromatic aberration, deformation, edges and corners of the tiles, and the flatness of the tiles are also very important.

3. Listen to the ears
The good tiles on the market will make a crisp sound when tapped, because the hardness of the tiles is good. On the contrary, if you can't hear a crisp sound when the tile is tapped, it means that the tile is unqualified when it is fired, and it is recommended to choose carefully.
4. Look at the water absorption rate
Water absorption is also a very important factor in judging the quality of tiles. Because the lower the water absorption rate, the stronger the watch can be, and the certain hollowing phenomenon can also be reduced. It is recommended to pour a small glass of water on the back of the tiles and observe their water absorption. If the water disappears quickly, it means that the water absorption rate is high. This kind of tile is prone to cracking and damage when it is laid in the later stage.