wollastonite powder Used as filler in many industries; 100 mesh to 2500 mesh; Competitive price; Professional service
wollastonite powder
Chemical Composition of Wollastonite
Component
Class | SiO2 (%) | CaO (%) | Al2O3 (%) | Fe2O3 (%) | TiO2 (%) Max. | MgO (%) | S (%) Max. | P (%) Max. | L.O.I (1050°C) (%) | PH |
AA | 49-51 | 44-46 | 0.15-0.3 | 0.15-0.3 | 0.02 | 0.50-1.8 | 0.02 | 0.007 | 0.5-1.5 | 9 |
A | 48-51 | 43-46 | 0.15-0.3 | 0.15-0.3 | 0.02 | 0.50-1.8 | 0.02 | 0.007 | 1.5-3.5 | 9 |
B | 47-53 | 40-43 | 0.15-0.3 | 0.30-0.35 | 0.02 | 0.50-1.8 | 0.02 | 0.007 | 4-6 | 9 |
C | 47-53 | 38-41 | 0.15-0.3 | 0.30-0.35 | 0.02 | 0.50-1.8 | 0.02 | 0.007 | 6-14 | 9 |
Physical Properties of Wollastonite
Item Name | Particle size (mesh) | Ratio of length to diameter(L/D) | Sedimentation value (ml/200m) | Absorption oil value (g/100g) | Whiteness (%) | Refraction (%) | Density (g/cm3) | Expansion Coefficient (mm/mm°C) | Melting Point (°C) | Hardness (Mohs) |
Wollastonite | 80- 1250 | 8-25 | 40-90 | 20-26 | 76- 92 | 1.63 | 2.95 | 6.5×10-6 |
wollastonite powder
