Zirconium Silicate Powder
- Zirconium silicate is a non-toxic, odorless white or off-white powder.
- Zirconium silicate has a high refractive index of 1.93-2.01 and stable chemical performance.
- It is widely used in the production of various building ceramics, sanitary ceramics, daily ceramics and first-class handicraft ceramics.
Zirconium Silicate Powder Parameters
- Physical properties
| Specific Gravity | 4.69 |
| Melting Point | 2500°C |
| Refractive Index | 1.97 |
| Mohs Hardness | 7.5 |
| Thermal Expansion Coefficient | 4.2*10-6 |
| Apprearance | White or off white powder |
- Chemical properties
| Item | RS65 | RS64.5 | RS63.5 |
| ZrO2+HfO2 | 65.0 min | 64.5 min | 63.5 min |
| Fe2O3 | 0. 06 max | 0. 08 max | 0. 12 max |
| Ti02 | 0.10 max | 0.12 max | 0.18 max |
- Product standard
| Type | Average mesh | Application |
| RS-1.0 | D50≤1.0um | High-grade sanitary porcelain
High-grade daily-use porcelain High-grade crystal brick |
| RS-1.2 | D50≤1.2um | |
| RS-1.5 | D50≤1.5um | Middle and low class sanitation porcelain,external and internal brick, archaized brick, engobe, body, etc. |
| RS-2.0 | D50≤2.0um |
Zirconium Silicate Powder
1）Refractory materials and products, glass kiln zirconium ramming material, castable, spray coating, etc. (zirconium silicate melting point is very high :2500℃)
2）TV industry color kinescope, glass industry emulsified glass, enamel glaze production
3）Plastics industry: used as fillers requiring stability, heat resistance and chemical erosion resistance
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