When consumers purchase ceramics, they must know how to distinguish the quality of the goods. By knocking, measuring, scraping and looking at the four methods, it is the most popular method and the simplest.
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Listen to the sound density. There are many criteria for distinguishing tiles, which can be tapped. The crisper the sound, the higher the porcelainity and the better the quality. You can also use your left thumb, forefinger, and middle finger to clip a corner of the tile. Hang it down easily and tap the lower part of the tile with your right index finger. The voice is clear and bright, and the sound is pleasing to the top.
The water absorption rate of the tiles was measured. The lower the tile's water absorption rate, the higher the intrinsic stability of the tile, and the more suitable it is for the wet water or the space with higher moisture content, and it will not cause black spots and other problems. The common method to check the water absorption of a tile is to pour the back of the tile. The tile that penetrates slowly or even does not seep water is of better quality, and vice versa.
Scratch to see the quality from the traces. Check the quality of the surface of the tile, you can use a hard object to scrape the tile glaze, if you leave a mark, indicating poor quality.
Look at the color and flatness. The clearer the color of the tile is, the better it is to see if there is any pinhole in the naked eye, the pinhole is easy to accumulate dirt, and finally the flatness of the tile is observed, the side is straight, and the laying is easy and the effect is good.
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