As the name implies, polished tiles are polished tiles whose surface is treated. Polished tiles are divided into two categories: one is porcelain polished tiles, which are made of clay, which has high water absorption, low strength, and the back color is burnt to red; one is enamel brick, clay, low water absorption, and strength comparison High, the color of the back is gray. Depending on the gloss, they are usually divided into light polished tiles and matt polished tiles. The former is suitable for the "clean" effect, while the latter is suitable for the "fashion" effect. Seattle glazed porcelain tiles are the most common variety of tiles in the renovation. Polished porcelain tiles are widely used on walls and floors due to their rich color patterns and strong anti-fouling ability.
As a decorative material, people generally pay more attention to the decorative performance of polished tiles, and care about its appearance quality, such as whether the surface is defective, affecting the decorative effect, whether the size meets the requirements, whether the surface is smooth, whether there is warpage, whether the angle is It is vertical and so on. In fact, in order to ensure that the polished tiles are laid, rather than being destroyed by a variety of factors, the decorative surfaces must be durable and the polished tiles must have the necessary physical and chemical properties.
1. Detect the intensive rate and the water absorption rate of the tile. Pinch the corner of the tile and floor tile elevator, gently tap the tile with metal objects and listen to the sound. Under normal circumstances, the crisp sound means high density, high strength, low water absorption, and the quality of the tile is good; on the contrary, the smaller mute tile is low in density, low in strength, high in water absorption, and poor in quality.
2, check the surface of the glaze. The qualified polished tiles should not have cracks, interlayers and glazed cracks; the back of the tiles should not have a 1/2 thick tile of the bumps; the color of the tiles should be the same; observe the distance of 1 meter The floor tiles, good polished tiles should be free of peeling edges, corrugations, glaze, brown eyes, front surface defects and so on.
3, compare the flatness and verticality to grab two and a half watts, insist on face to face together to see if there is fullness and warping. Then rotate the tile 90 degrees to see if the perimeter is still consistent. If the tiles are tightly bonded, there is no abundance or warp, and they are still substantially coincident after rotation, but the vertical and flatness of the polished tiles can be considered quite good.
4. Measuring the dimensional error with a ruler is suitable for the strict range of the error of the polished tile. Generally speaking, the length and width error should be no more than 0.8mm plus or minus, and the thickness error is plus or minus 0.3 mm plus or minus. When inspecting, random samples should be sampled in different boxes and checked, the number is about 10% of the total, but not less than 3.
5. According to the requirements, the Chinese glazed tile manufacturer sells the factory inspection report brand products. At the time of purchase, be careful to ask for and carefully check that the certificate and object match.
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