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Why do bathroom wall tiles change color-bathroom wall tiles, why do they change color

by:KKR Solid Surface     2022-05-28

Why do some bathroom wall tiles change color when they are splashed with a little water? Our high-rise bathrooms are uniformly decorated. The bathroom wall tiles will change color after splashing a little water, and it will take several days to change to normal color. In addition to being unsightly, I also worry that the outer glaze will fall off after a long time. The water absorption rate submitted for inspection is greater than 10%, and the national ceramic tile standard is 5 categories, that is, the GB/T4100/5:1999 water absorption rate is greater than 10%, and there is no upper limit. of ceramic tiles? The discoloration of bathroom wall tiles is mainly due to the high water absorption rate, high ceramic content and poor rigidity. This kind of wall tiles will be affected by the weather and the outer glaze will crack and break, so there will be discoloration, generally do not use it! To choose the purchase of cylinder bricks! There are many kinds of wall and floor tiles on the market with rich colors. When choosing, you should pay attention to: 1. According to your own hobbies and on-site layout, choose from the brand, specification and color of the wall and floor tiles. 2. When purchasing wall and floor tiles, pay attention to their anti-glaze cracking and strength. Good quality wall and floor tiles have low water absorption and good glaze cracking resistance. When purchasing, you can drop a drop of water on the back to see the speed of water absorption and water absorption. Slow is better. Generally good will not appear discoloration. 3. Check whether the surface is smooth and whether there are small holes with uneven thickness. When purchasing, you can tap to listen to the sound. The crisper the sound, the higher the density and the better the hardness. 4. Look at the color. When selecting, place the tiles at a distance of 0.8m to see that the color pattern is consistent. The color of some wall and floor tiles is different, so it is easy to look like discolored wall and floor tiles after pasting. 5. The size should be standard, the size should be uniform, and the thickness should be uniform. When selecting, choose a few pieces from a box for competition. See if it is consistent. 6. When consumers buy wall and floor tiles, they must pay attention to whether it is marked with signs or words such as green health standards promulgated by the state, and do not buy three-free wall and floor tiles. Relevant people suggest buying wall and floor tiles in three steps: Step forward: determine the space used by wall and floor tiles. Are the wall and floor tiles you bought for use in the kitchen, bathroom or living room? After determining this more basic condition, make a selection. The second step: according to the technical indicators to determine whether the wall and floor tiles meet the requirements. The degree of wear (also called wear resistance) indicates the degree to which the wall and floor tiles are easy to wear: the first degree ceramic tile has a low wear resistance and is generally used for display, walls and places with little activity; the second degree ceramic tile is mainly used for In bathrooms, bedrooms and other environments without hard friction; Grade III ceramic tiles are suitable for places with frequent flow of people, such as living rooms, kitchens, etc.; Grade IV ceramic tiles have high wear resistance and are very suitable for use in hallways, corridors and public places of luxury residences. ; V degree generally has super wear resistance, used in non-home environments, such as airports, stations and so on. Step 3: Consult about the properties of the ceramic tile such as acid and alkali resistance, so as to choose a suitable cleaning agent to prevent the glaze surface from being polluted.

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