Wollastonite Powder
Wollastonite powder is natural calcium silicate mineral. It is white crystalline powder, needle-like granules, with pearl and glass luster and good whiteness Melting temperature 1540 ? , Mohs hardness is 4.5-6.0, Density 2.87-3.09, low heat swelling and low loss on ignition.
Technical Specifications
| Items | Inspection results |
| Appearance | white crystalline powder |
| Whiteness | 90-94 |
| SiO2 | 48-51% |
| CAO | 47% |
| AL2O3 | <1% |
| Fe% | <0.5% |
| MGO | <0.5% |
| Loss on ignition % | 1.8-2% |
| PH value | 7-9 |
| Moisture | 0.3% |
| Mesh | 325 |
Packaging
As per customer requirement.Features of Wollastonite Powder
- It also offers varied useful properties that include its high brightness and whiteness, low volatile content, low moisture, and oil absorption.
Applications of Wollastonite Powder
- Used in plastics or rubber to improve the tensile strength and flexural strength, heat performance and surface color and reducing costs.
- Used as reinforcing filler in paint to improve the paint's physical and chemical performance, durability and weather durability, reduce the paint's fault and aging.
