How to identify the quality of ceramic tiles? A few simple gifts for you
At present, the market of ceramic tiles is mixed, and the products are also varied and varied. What are the main points of buying ceramic tiles in home decoration? Today I will teach you a few tricks.
1 Netizens answer point one
Look at the back of the tile, that is, the brick.
In addition to removing impurities from the original pulp before firing, generally good ceramic tiles also use a high magnetic field rod to remove iron from the original pulp, so removing impurities and removing iron is a key step in making bricks.
Cheaper tiles: darker colors on the back, uneven color, and unevenly distributed black spots because the impurities and iron are not removed.
Special attention: very white and cheap bricks should also be vigilant, because very white may be added chemical auxiliary raw material zirconium silicate, high purity zirconium silicate is not radioactive, and the price is expensive. Raw materials, then the price of the bricks produced will certainly not be cheap; there are also many manufacturers who use cheap or very low purity zirconium silicate as auxiliary materials. Low purity zirconium silicate contains monazite, which is often radioactive.
2 See the thickness
Why does it depend on the thickness of the tiles?
Thickness is an important parameter in the standard of ceramic tiles and one of the important reference factors to measure the quality of ceramic tiles.
Note: You may also use a ruler to measure the actual thickness of the tiles.
3 Measuring water absorption
Ceramic tiles are fired at high temperature. The higher the firing temperature, the stronger the chemical reaction and physical changes, so the higher the density of ceramic tiles. Of course, the density of ceramic tiles is closely related to the raw material formula in addition to the firing temperature.
Why measure water absorption?
Because measuring water absorption rate not only determines the density of the tiles, but also has a very important property that is the anti-fouling ability, the lower the water absorption rate, the better the anti-fouling ability of the tiles; the contrary, the higher the water absorption rate Relatively poor.
4 See thickness and flatness
Specific implementation:
â‘ The common method is to merge the two bricks face to face and four sides neatly, and then observe the gap between the two. It should be noted that this method is not applicable to glazed tiles;
â‘¡ Measure the length of the two diagonal sides of the brick with a reference object as shown in the figure, and then compare the two measurement results to see how much the deviation is.
Effect of flatness: If the flatness of the ceramic tile is not good, then the ceramic tile will appear uneven after construction, which specifically shows that people walking on the brick surface will have kicking phenomenon.
5 See the thickness
This is relatively simple, you can use a coin to scratch the surface of the brick with a little force. If there are obvious scratches, it means that the hardness of the tile is poor; on the contrary, if there are no obvious scratches, it means the hardness of the tile is excellent .
2 Netizens answer point two
One look, two listens, three drops of water, four feet.
1. The color and luster of the exterior tiles should be uniform, the surface smoothness and flatness should be better, the surrounding rules are regular, and the pattern is complete. Take out four or five pieces from a box to see if there are defects such as color difference, deformation, lack of edges and corners.
2. Listen to the sound and tap with a hard object. The crisper the sound, the higher the degree of porcelainization and the better the quality. You can also pinch the corner of the tile with your left thumb, index finger and middle finger, and hang down easily. Use your right index finger to tap the middle and lower part of the tile.
3. The drip test can put water droplets on the back of the tile to see how fast the water will infiltrate. Generally speaking, the slower the water absorption, the greater the density of the tile; otherwise, the faster the water absorption, the sparse density, the inner quality of the former Is excellent.
4. Ruler. The higher the accuracy of the side length of the ceramic tile, the better the effect after paving. Buying high-quality ceramic tiles is not only easy to construct, but also saves man-hours and auxiliary materials. Use a tape measure to measure whether there is any difference in the size of each tile, and the one with the highest accuracy is the top grade.
In addition, observing its hardness, the ceramic tile is top grade with good hardness, strong toughness and not easy to break. Scratches each other at the edges and corners of the tiles to see whether the broken fragments are fine or loose, hard, brittle or soft, leaving scratches or scattered powder, if the former is the top grade, the latter is the quality difference.
Whether the size is standard is the key to judging the quality of the tile. Use a tape measure or caliper to measure whether the diagonal and four-sided dimensions and thickness of the tile are uniform. A good tile has a brittle sound, indicating a high content of porcelain.
If the sound is “tapping†with stubble, it means that there is a crack in the brick. A good tile is easy to install by the master, and the effect of the installation is also standardized.
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