What are the common sense about ceramics purchase?
How to turn a rookie into an expert, take a look at the 16 questions about the common sense of ceramic purchase prepared for everyone, if you understand it, you are an expert
1. Definition of ceramics
The hard material is formed by properly proportioning, pulverizing, molding, and calcining at high temperatures through a series of physical and chemical reactions.
2. What is the difference between pottery and porcelain?
The difference is the water absorption. Generally speaking, the water absorption rate of porcelain is less than 0.5%, while the water absorption rate of pottery is more than 10%.
3. Which bricks are made of porcelain in daily life? Which are ceramic?
We commonly see all kinds of polished tiles. Unglazed mosaic tiles. Most sanitary wares are made of porcelain with water absorption E≤0.5%; antique tiles. Small floor tiles (floor climbing walls). Crystal tiles. Light bricks are stoneware bricks, that is, semi-tiles, with a water absorption rate of 0.5% to 10%.
4. What is water absorption?
Water absorption is the percentage of water absorbed by pores in ceramic products.
5. How are ceramic wall and floor tiles classified?
Divided into the interior, exterior, and floor tiles by use.
According to the material, it is divided into Porcelain brick - good light transmission, fine and shell-shaped section; semi-ceramic brick - poor light transmission, high mechanical strength, stone-like section; ceramic brick - impermeable Light, low mechanical strength, rough section; according to the molding method is divided into the dry pressing method, plastic method, grouting method.