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1. Factory price,
2. Good Quality,
3. Free sample,
4. A long stable supplier,
5. Good support to you
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Wollastonite
Features:
-- White powder nd relative density is 2.8, melting point is 1540°C
-- Good insulation performance, endure acid, resist abrade, bear high temperature.
USAGE:
-- -- Be widely used in paint, plastics, rubber, electric welding, glass, electron industry, metallurgy and paper making.
Chemical analysis
| Whiteness | SiO2 | CaO | Al2O3 | Fe2O3 | TiO2 | MgO | S |
| >80 | 50-53 | 43-46 | 0.3max | 0.3max | 0.02max | 2.5max | 0.02 Max |
The physical properties of wollastonite
| Iterm | Result |
| Particle Size(mesh) | 0-3mm,
200mesh, 325mesh,
400mesh |
| Specific Gravity | 2.9 |
| absorption oil value (g/100g) | 20-26 |
| Whiteness(%) | >80 |
| Refraction(%) | 1.63 |
| PH | 9.9 |
| Expantion coefficient(mm//mmºC) | 6.5×10-6 |
| Melting point( ºC ) | 1540 |
| Hardness(Moh's) | 4.5 |
| Loss on ignition | 2.5 Max |
PACKING AND STORAGE
50KG or 25 KG per woven plastic bag or 1 ton jumbo bag
