Ceramic tiles are commonly used decoration materials. They are made of clay and other inorganic non-metallic materials, which are produced by molding, sintering and other methods. They are used to decorate and protect the wall or block ceramic products of buildings and floors. In the decoration and decoration of the building, the ceramic tile is widely used because of its high strength, wear resistance, long service life, water and chemical resistance, plus convenient construction, easy care, and reasonable price.
The classification method of ceramic tiles: according to different molding methods, it is divided into dry pressed ceramic tiles and extruded ceramic tiles. According to the water absorption rate, the ceramic tiles are divided into five categories: porcelain bricks (E ≤ 0.5%) and enamel tiles (0.5% 10%).
Main performance characteristics
Ceramic tiles are divided into glazed tiles and unglazed tiles according to whether the surface is glazed or not, and are divided into exterior wall tiles, interior wall tiles, floor tiles, etc. according to the purpose. At present, the most commonly used home decoration is glazed tiles (interior wall tiles) and porcelain tiles (floor tiles).
Glazed tiles are mainly used in bathrooms, kitchen walls and floors due to their rich color patterns and strong anti-fouling ability.
Unglazed bricks mainly include porcelain bricks, vitrified tiles, polished tiles, and the like. Such bricks have low water absorption, high breaking strength and modulus of rupture, and good wear resistance. Vitrified and polished tiles are porcelain bricks that are fired at higher temperatures. Vitrified bricks are the hardest of all ceramic tiles. Polished tiles are polished to a mirror surface, showing a colorful color. However, since the closed micropores of the polished brick become open pores, the stain resistance is relatively weak.
Buy common sense
1, check. Check the product box, the name of the factory, the name of the product, the name of the product, the after-sales service telephone, the specifications, the quantity, the trademark, the date of manufacture and the standards implemented. For the porcelain bricks, the CCC certification mark shall be inspected for the ceramic tiles for interior decoration. It is advisable to select products whose radionuclide meets Class A requirements.
2, look. The glazed ceramic tile of good quality should be smooth and delicate, the gloss glaze is bright and radiant, and the matt glaze is soft and comfortable. Under sufficient natural light or fluorescent lighting, the bricks should be placed vertically at a distance of 1 m and no obvious glazed defects should be visible. The pattern of the pattern of bricks should be delicate and realistic, without obvious defects such as lack of color, broken lines and misalignment. The shading and trademark of the back of the high quality ceramic products are clear and complete, with little glaze or defects.
3, fight. Good product size deviation is small, put a batch of products vertically on a plane to see if there is any jagged phenomenon. Looking at the level of flatness, the edges of the two bricks can be pressed together 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 difference of the product, put a few bricks together and put them together in ample light, the products with different shades between the products, the overall effect is poor after the paving.
4. Listen. Gently tap the ceramic tile to listen to its sound, and the better quality product sounds crisp and sweet. Poor quality products are due to improper formulation of raw materials, short firing cycle, low firing temperature, and an "empty" sound when struck.
5, hehe. The weight of the product and the ceramic tile of the same specification have low water absorption and good internal quality.
6, than. The floor tiles are divided into glazed floor tiles and unglazed floor tiles according to the glazed condition. Glazed floor tiles are mainly used for floor decoration of bathrooms and kitchens, and are used together with interior wall tiles. Most of the floor tiles are polished to a polished surface. Most polished tiles have a water absorption of less than 0.1%, also known as vitrified tiles. The surface of the polished brick is as bright as a mirror and is a high-grade ceramic product.
Use common sense
1. Avoid rubbing the ground with hard objects to avoid scratching the floor. For furniture that needs to be moved frequently, a soft protective layer should be placed on the ground contact area.
2, often clean the ground, reduce dust, wipe the ground with a wrung wet towel or mop.
3, to avoid special shoes and socks (such as shoes with nails) directly contact the ground. This can reduce ground scratches and keep the ground beautiful.
4. It is not advisable to pour sewage or corrosive objects on the ground to reduce pollution and corrosion on the ground.
5, keep the ground dry, it is not appropriate to sprinkle water on the ground to prevent slipping and falling.
6, to prevent heavy objects from slamming the ground, so as not to smash the brick surface, affecting the appearance.
7, ceramic tiles for outdoor use, in the northern region, should try to choose products with low water absorption.
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