Wollastonite
Wollastonite
basic information
heat
Chemical Composition of Wollastonite
| Component | XYNFW-A | XYNFW-B | XYNFW-C |
| Wollastonite Grade A | Wollastonite Grade B | Wollastonite Grade C | |
|
SiO2 (%) |
48-53 | 47-52 | 47-54 |
| CaO (%) | 43-45 | 38-42 | 35-40 |
| Al2O3 (%) | 0.15-0.30 | 0.15-0.30 | 0.15-0.30 |
| Fe2O3(%) | 0.2-0.3 | 0.3-0.5 | 0.5-0.6 |
| TiO2 (%)，Max | 0.02 | 0.02 | 0.02 |
| MgO (%) | 0.5-1.2 | 0.5-1.5 | 0.5-2.0 |
| S (%)，Max | 0.02 | 0.03 | 0.03 |
| P (%)，Max | 0.007 | 0.007 | 0.007 |
| L.O.I (1050℃) (%) | 1-3 | 4-8 | 6-18 |
| PH | 9 | 9 | 9 |
Physical Properties of Wollastonite
| Item | Value |
| Particle Size (mesh) | 80- 6000 |
| Aspect Ratio（L:D） | 3:1-25:1 |
| Sedimentation Value (ml/200mg) | 40-150 |
| Oil Absorption (g/100g） | 20-55 |
| Whiteness（%） | 75- 92 |
| Refractive Index（%） | 1.63 |
| Density (g/cm2) | 2.95 |
| Coefficient of Expansion (mm/mm℃) | 6.5×106 |
| Melting Point (℃) | 1450 |
| Hardness (Mohs) | 4.5-5.0 |
Copyright © Xinyu South Wollastonite Co. Ltd
Jiangxi ICP12008785-1 Powered bywww.300.cn