The water absorption of ceramic tiles has always been one of the criteria for measuring the quality of tiles, because ceramic tiles with low water absorption are less likely to absorb dirt and are easier to handle. But it's too late. The previous tile product had a water absorption rate of a few percent. Now many companies control it to one thousandth, and the cement used in construction is still old cement. This results in the tile products being unusable, especially directly on the wall. product.
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In fact, the tiles still need a certain water absorption rate to ensure the firmness of the shop. If you do not use any tile adhesives and only use cement mortar, choose this type of pottery tile with a water absorption rate of about 10%. The back surface is generally rough, which is conducive to sticking to the wall, and the adhesion is also better.
Ceramic tiles have a high water absorption rate. The disadvantage is that they are easy to infiltrate into the liquid. Some even when the tile is tiling, the water in the wet cement mortar is sucked in from the back, and the glaze is imprinted, which is affected by the temperature. Improper can also lead to cracks between the glazed tile and the body.
Industry insiders said that these problems can be avoided by first doing a comprehensive cleaning of the walls when paving and spraying the walls one day in advance. In addition, consumers must ensure that the tiles are immersed for a long time. It is not sufficient to water the tiles. Put the tiles in the pot and dip them into the pot for 2 to 5 hours. Tiles do not bubble.
In addition to the texture of the tile itself, there are some methods to ensure the strength of the paving. Before the paste, first select the cement of good quality. There is a method to detect. Mix the water and cement in the container and check the degree of solidification after the next day. , strong solidification can be used.
Second, the proportion of cement mortar is appropriate. When sticking, it should be noted that the thickness of the bonding material should be controlled between 7-10 mm, not too thick or too thin, too much cement mortar, too heavy and easy to fall off.
When the back of the tile is full of mortar, it should be smeared on the four sides of the tile, leaving a little space in the middle, so that when pressing and tapping on the tile, neither the mortar overflows everywhere, but also the mortar is full. The tile is firmly bonded to the wall.
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