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Contact Supplier| Chemical Composition | A GRADE | B GRADE | |
|---|---|---|---|
| Silica | SiO2 | 99.5% (+/- 0.3%) | 99.0% (+/- 1%) |
| Alumina | Al2O3 | 0.2% (+/- 0.1%) | 0.4% (+/- 0.1%) |
| Ferric Oxide | Fe2O3 | 0.06% (+/- 0.005%) | 0.08% (+/- 0.01%) |
| Titanium Oxide | TiO2 | 0 | 0 |
| Sodium Oxide | Na2O | 0 | 0.2% (+/- 0.05%) |
| Potassium Oxide | K2O | 0 | 0.2% (+/- 0.1%) |
| Loss on Ignition | LOI | 0.01 | 0.01 |

