Scratch the tile with sharp objects. If there is scratch, it means that the glaze is easy to slip, and after the surface glaze is polished, the brick surface will not be cleaned. The color and color of the tile are clear and natural, indicating that the porcelain is high, the chroma is not clear, and the porcelain is low. When purchasing, observe the surface with pinholes by naked eyes within one meter. If it is, it means that the glazed surface is not completely fused, which is likely to cause accumulation of dirt.
1. Drop a few drops of tea juice or water on the back of the tile. After a few minutes, depending on the extent to which the water droplets are inhaled and diffused, the water is not absorbed or the water absorption rate is low.
2. Tap the tile to hear whether the sound is crisp, the sound is more brittle, the porcelain is higher, the density is higher, and the hardness is better.
3. If there is any scratch on the tile with sharp objects, if there is scratch, it means that the glaze is easy to slip, and after the surface glaze is polished, the brick surface will not be cleaned.
4, the color and color of the tile is clear, natural, indicating high porcelain, unclear chroma, low porcelain.
5. When purchasing, observe the surface with pinholes by naked eyes within one meter. If there is, it means that the glazed surface is not completely fused, and it is easy to produce accumulated dirt.
6. Observation of warpage: Check whether the side of the tile is straight with the naked eye. If the warpage is serious, it will affect the firmness of the tile in the future.
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