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| Executive standard: | Industry standard |
|---|---|
| Brand: | Wollastonite raw ore |
| PH value: | 7.9-9.9 |
| Whiteness: | ≥85 % |
| Silica content: | 48-52 % |
| Category: | Inorganic nonmetallic ore |
| Density: | 2.7 g/cm3 |
| Mohs hardness: | 4.5 |
| Coefficient of thermal expansion: | six point five × 10-6 |
| Melting point: | 1540 ℃ |
| country of origin: | Jiangxi |
| Refractive index: | 1.63 |
| Grade: | Superior product |
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