At present, there are many varieties of ceramic tiles on the market, and the quality is high and low. How to identify the quality of the quality, select the ceramic tile products that are satisfactory? In short, we need to make reasonable choices from four aspects: investigation, seeing, listening and comparing.
A check. Check the product box for the name of the plant, the site, and the product name, specifications, grade, quantity, trademark, date of manufacture, and standards implemented. Check whether there is a factory certificate, whether the product is damaged or not, and whether the quantity of products in the box is consistent with the contents on the package. In addition, special checks should be made to see if there is a “CCC†certification mark that proves that the radionuclide is qualified.
Second look. First, the glaze should be smooth and delicate, the gloss glaze is crystal clear, and the matt glaze is soft and comfortable. Under sufficient natural light or fluorescent lighting, the bricks should be placed vertically at a distance of 1 m and no obvious glazed defects should be visible. The pattern of the pattern of bricks should be delicate and realistic, without obvious defects such as lack of color, broken lines and misalignment. Second, the shading and trademarks on the back of high-quality ceramic tiles are clear and complete, with few glazes or defects. Place the product vertically on a flat surface to see if there is any jaggedness, and the product size deviation is small. Third, to see the level of flatness, you can choose a flat glass plate or table top, and put the sides and front sides of the bricks in parallel on the top to see the flatness of the edges and the degree of warpage of the faces. You can also hold the sides of the two bricks together to see if there are any gaps. Fourth, look at the color difference of the product, put a few pieces of brick together and carefully observe it under sufficient light. Products with different shades between products are inferior products.
Three listen. Lightly tapping the ceramic tile, affected by factors such as raw material formula, firing cycle, firing temperature, etc., the product with better quality sounds crisp and sweet, and the inferior product will emit an "empty" sound.
Four ratios. Ceramic tiles of the same specification have a low water absorption rate and a good internal quality.
In addition, after consumers have a certain understanding of the product, they should consider the quality and price of the product and determine which one to choose.
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