1. Definition of ceramics
A hard substance formed by subjecting a clay raw material, an inert raw material, and a flux raw material to a proper ratio, pulverization, molding, and a series of physical and chemical reactions under high-temperature baking.
2. What is the difference between pottery and porcelain?
The difference is in water absorption. In general, the water absorption of porcelain is less than 0.5%, while the water absorption of ceramics is greater than 10%.
3. Which bricks are porcelain in daily life and which ones are ceramic?
We often use a variety of polished tiles, unglazed mosaic tiles, most sanitary wares are porcelain, water absorption rate E ≤ 0.5%; antique bricks, small floor tiles (ground climbing wall), crystal tiles, wear-resistant bricks, matt tiles, etc. It is a enamel brick, that is, a half tile, and the water absorption rate is 0.5% and 10%.
4. What is the water absorption rate?
The water absorption rate is the percentage of the product in which the pores in the ceramic product absorb moisture.
5. How are ceramic wall tiles classified?
Divided into interior wall tiles, exterior wall tiles and floor tiles according to usage.
Divided according to the material: porcelain brick - good light transmission, fine cross-section shell-like; semi-ceramic brick - poor light transmission, high mechanical strength, stone-like section; ceramic brick - opaque, mechanical The strength is low and the section is rough; according to the molding method, it is divided into dry pressing method, plastic forming method and grouting method.
6. What are the varieties of ceramic tiles?
Glazed interior wall tiles: porcelain tiles, flower pieces, waist lines; ceramic exterior wall tiles: glazed tiles, unglazed tiles, rough tiles, mosaic tiles; ceramic tiles: porcelain tiles, glazed tiles, slabs, red Floor tiles, mosaic tiles, square tiles, step bricks, etc.
7. What is the difference between polished tiles and glass fossils?
There are many kinds of polished tiles in the market, such as planed bricks, whole bricks, vitrified tiles, complete glass fossils, etc., glass fossils are polished tiles, the popular name on the market, the professional name is "porcelain polishing. brick".
8. Can wall tiles be laid on the bathroom floor?
Wall tiles (ceramic tiles) are generally not to be placed on the ground. Because the ceramic tile is ceramic, the mechanical strength is low, and it is easy to be crushed and damaged on the ground; the bathroom floor is wet for a long time, and the porcelain tile is easy to be wet and ruptured; in addition, the glazed surface of the porcelain plate is not slippery.
9. What is the difference between superior products and first-class products (qualified products)?
Both superior and first-class products are qualified products, and the products that can be used normally are not affected by the functions. Mainly reflected in the difference in appearance quality and deformation allowable range, such as surface spots, pinholes and so on.
10. Is there no defect in superior products?
Since ceramic products are products of various raw materials that have been fired at high temperatures, defects such as impurities and deformation cannot be completely avoided, and national standards allow a certain degree of defects to exist. Such as surface quality, polished tiles, etc., at least 95% of the bricks are 0.8m away from the vertical observation surface without defects.
11. Is brick made from underground mud?
The main raw materials for the production of wall and floor tiles are: kaolin and chemical materials. Kaolin mainly includes sand, stone powder, black mud and white mud. The chemical materials mainly include coloring materials and water reducing agents. It is popular to say that bricks are made of mud, but it is not a general mud. To achieve a certain chemical composition, high quality and stability can be an ideal raw material.
12. The red brick is a ceramic brick. The white brick is a porcelain brick. Is the red brick not as good as a white brick?
This statement is unscientific. The color of the green body is determined by the content of iron and titanium oxide in the raw material. The higher the content, the darker the color is, and it only determines the color of the green body and does not affect the quality of the brick. The factors affecting the intrinsic quality of bricks are mainly the degree of sintering, and the bricks of good quality are the bricks that are really "burned out".
13. Why should the polished tiles be waxed or coated with antifouling agents?
Polishing bricks can better protect the bricks, avoiding damage and friction of foreign objects during construction; wax can increase the gloss of the bricks after removal; more importantly, it can fill the pores on the surface of the bricks, so that the dirt will not be plugged Easy to clean daily in the air hole.
14. Why do you choose to dry and dry when the polished brick is placed on the outer wall?
Mainly for security reasons. The polished brick has low water absorption and smooth back surface, and it is not easy to stick with cement mortar; in addition, the polished brick is self-contained and easy to fall.
15. Which kind of anti-slip effect is better than matt bricks and crystal bricks?
Matte tiles have a better anti-slip effect because matt tiles are generally designed with a non-slip design.
16. Which anti-slip effect is better for polished tiles, matt tiles, and crystal tiles? Why?
The anti-slip effect of the polished brick is the best, because the polished brick has a stronger adsorption force after polishing. [Follow the WeChat public number "Jiuzheng Ceramics Net" ; pay attention to surprises, scan the code to read "a leader of beautiful female employees!" Too classic! 》The wonderful content! Jiuzheng Ceramics Network Exchange Group: 80123558 】
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