Wollastonite is a naturally occurring white mineral, with hardness of 4 to 5 Mho. Wollastonite is alkaline, inert, has low loss on ignition, low water solubility. It also improves tear strength, dielectric properties and retains mechanical properties at elevated temperatures.
| SiO2 | 46.5% |
| CaO | 45.5% |
| MgO | 0.88% |
| Fe2O3 | 0.78% |
| Al2O3 | 0.75% |
| Specific Gravity | 2.8 |
| Hardness | 4 to 5 Mho |
Capacity: 100,000 MT/Year