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Basic knowledge of the tile industry Content one
- May 03, 2018 -

1. What is ceramic?

Ceramic is a hard material formed by a series of physical and chemical reactions of clay raw materials, inert materials and flux raw materials through proper proportioning, pulverization, molding and high-temperature roasting.


2. What is the difference between pottery and porcelain?

The difference is in water absorption. The water absorption is less than 0.5% for porcelain, more than 10% for pottery, and halfway between the two.


3. Which bricks are porcelain in daily life? Which is ceramic?

We commonly use all kinds of polished tiles, unglazed tiles, most sanitary wares are porcelain, water absorption rate E ≤ 0.5%, antique bricks, small floor tiles (wall climbing), crystal tiles, wear-resistant bricks, matt bricks, etc. It is a tanned brick, ie a semi-tile, with a water absorption rate of 0.5%<E≤10%; tiles, pottery pipes, facing tiles, and glass products are generally ceramics with a water absorption rate of >10%.


4, what is the water absorption rate?

The water absorption is the percentage of the product that is absorbed by the pores in the ceramic product.


5. How are ceramic tiles classified?

Divided into inner wall tiles, outer wall tiles and floor tiles by purpose.

According to the material is divided into: Porcelain bricks - good light transmission, cross-section was delicate shell-like;

Semi-ceramic tiles - poor light transmission, high mechanical strength, cross-section was stone;

Ceramic tile - opaque, low mechanical strength, rough section;

According to the forming method, it can be divided into dry pressing, plasticizing, and grouting.


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