In the process of making ceramics, a lot of materials need to be used, and each material plays a different role. Zirconium silicate is one of the most frequently used materials,

What is the function of zirconium silicate in glaze

1. Zirconium silicate is a white or grayish white powder with no poison and no taste. Its raw material is natural high-purity zircon sand concentrate, which is processed by ultra-fine grinding, iron removal, titanium processing, surface modification and other processes. It is a kind of ceramic glaze opacifier, whitening agent, anti-seepage agent and stabilizer with good germplasm and low price.

2. Zirconium silicate is widely used in the production of all kinds of building ceramics, sanitary ceramics, daily-use ceramics, first-class handicraft ceramics and so on. Because the chemical stability of zirconium silicate is better, it will not be affected by the firing atmosphere, and can improve the green glaze bonding performance of ceramics, improve the hardness of ceramic glaze.

3. Zirconium silicate can also play the role of whitening in ceramic glaze, because zirconium silicate will form oblique zircon after firing, which can scatter the incident light wave, so as to achieve the effect of opacification and whitening.

4. This kind of scattering is generally called large particle scattering or Mie scattering. If the D50 value of high-performance zirconium silicate is controlled below 1.4um and D90 value is controlled below 4.0um, it will have a good effect of opacification and whitening.

5. In order to make the whitening effect of zirconium silicate better, the concentration of particle size range is very important, so in the grinding process of zirconium silicate, the narrow distribution of particles should be achieved as far as possible.

6. Zirconium silicate is often used in the production of color kinescope in TV industry, emulsified glass and enamel in glass industry. The melting point of zirconate is very high, about 2500 degrees Celsius, so it is also widely used in refractories, glass furnace zirconium ramming materials, castables, spray coating.

The above is about zirconium silicate in glaze what is the role of a detailed introduction, I hope you can provide some help. Adding zirconium silicate in glaze can not only improve the separation performance of ceramic body and glaze, increase the hardness of ceramic glaze, but also play the role of whitening.