1. Check the label:
The product packaging box should have the name, address, product name, after-sales service phone number, specifications, quantity, trademark, production date and the standards implemented. For porcelain tiles, the CCC certification mark must be checked, and the interior design decoration tiles. Should choose radionuclide products that meet Class A requirements.
2 look at the appearance:
Good quality ceramic glazed tiles should be smooth, delicate, shiny glaze crystal shiny, soft and comfortable matt glaze. Under full natural light or fluorescent lighting, the bricks should be observed vertically at a distance of 1 meter, and no obvious glazed defects should be visible. Patterned brick patterns should be delicate and realistic, with no obvious defects such as lack of color, broken lines, and misalignment. The shading and trademarks on the back of high-quality ceramic products are clear and complete, with few lacquer or defects.
3. Mosaic effect:
Good tile size deviations are small. Place a batch of products vertically on a flat surface to see if there is any unevenness. Looking at the flatness, you can close the edges of two bricks to see if there are any gaps. Good product deformation is small, and the brick surface is flat and beautiful after paving. Look at the color of the product, put together a few bricks, and look closely under sufficient light. Products with different shades of color between the products have poor overall appearance after being laid.
4. Percussion:
Tap the tile gently and listen to the sound. The better quality sounds crisp and sweet. Poor quality products due to improper raw material formulation, firing cycle is short, firing temperature is low, will emit a "empty" sound.
5. Weighting:
The weight of a tile, in general, the same size of the tile, a large weight of low water absorption, internal quality is also better.
6. Comparison of varieties :
The tiles are divided into glazed tiles and unglazed tiles according to the glazed condition. Glazed tiles are mainly used for floor decoration of bathrooms and kitchens, and are used in conjunction with interior wall tiles. Most floor tiles have been surface-polished to become polished tiles. Most of the polished tiles have a water absorption of less than 0.1%, also known as vitrified tiles. The surface of the polished tile is smooth and mirror-like and is a high-grade ceramic product.
7. Tile corners:
When paving tiles, many consumers and workers have encountered difficulties in aligning the corners, which indicates that the flatness of the tiles may not be too smooth. When picking tiles, pick a few at random and look along the edges of the tiles. And look diagonally, if you find "alice" phenomenon, it shows that the flatness of the tile is not enough, if not, it shows that the flatness of the ceramic tile basically pass, this can be considered a small trick to buy tiles.
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