First: specific gravity; Pick up two tiles of different brands. In the case of similar size and thickness, the lighter one is of poor quality, and the heavier one is a good brick. Second: compare prices; At present, the price of ceramic tiles on the market varies greatly, ranging from tens of yuan per square meter to one or two hundred yuan; However, the asking price of some imported tiles is higher, which is basically 1-2 times higher than that of domestic tiles. However, according to industry sources, the internal quality gap of these tiles is not as big as the price gap. Therefore, although a penny is worth a penny, don't blindly believe in the price. Product quality is more critical. There is no need to spend a lot of money blindly pursuing foreign imported brands. Third, measure the glaze; When testing, scrape the glaze of the tile with a sharp object to see if there are scratches. If there are scratches, it means that the glaze of this tile is poor, and the dirty surface of the tile will not be cleaned after the glaze is polished. On the contrary, it shows that this glazed tile is glazed well, wear-resistant and practical. Fourth: color difference; Color difference of ceramic tile refers to the difference of color and pattern of ceramic tile products due to production technology. Due to the large one-time purchase of wall and floor tiles, if there is obvious color difference between multiple packages, the decoration effect will be greatly affected. Therefore, it is necessary to sample and compare all the packaged products to observe the change of color difference, and the ones with large color difference cannot be selected.

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