Zirconium Silicate Powder

  •  A non-toxic, odorless white or off-white powder.
  • 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

  1. 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

 

  1. 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
  1. 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

 

Application

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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