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Contact Supplier| Specification | Grade 1 | Grade 2 |
|---|---|---|
| SiO2 | 66.67 % | 65.67 % |
| Fe2O3 | 0.32 % | 0.32 % |
| Al2O3 | 19.48 % | 19.48 % |
| TiO2 | 0.16 % | 0.16 % |
| CaO | 0.84 % | 0.84 % |
| MgO | 0.20 % | 0.20 % |
| LOI | 0.74 % | 0.74 % |
| Na2O | 8.17 % | 10.30 % |
| K2O | 0.36 % | 1.20 % |
| Practical size | 200 to 400 Mesh | 75 Micron to 37 Micron |
|---|
| Grain size | 0.1-0.4 | 0.3-0.7 | 0.7-1.2 |
|---|
| Whitness | Up to 85 % |
|---|---|
| Brightness | Up to 85 % |