High purity fused silica block, high purity fused silica sand, high purity fused silica powder.
Purity fused silica block, purity fused silica sand, purity fused silica powder.
Size(D50): 2um; 12um; 15um; 20um; 25um; 50um
| ITEM | SiO2 | Fe2O3 | Al2O3 | K2O | Na2O | MgO | CaO |
|---|---|---|---|---|---|---|---|
| A Grade | 99.9% - 99.99% | < 100ppm | < 500ppm | < 50ppm | < 50ppm | < 50ppm | < 50ppm |
| B Grade | 99.8% min | < 100ppm | < 500ppm | < 80ppm | < 80ppm | < 80ppm | < 80ppm |
Above specification are for common uses,and can be adjusted upon user’s request.