| Type | Crystal phase（weight percentage,%） | Refractoriness/°C |
| Bauxite Chamotte | Corundum + Mullite≥90 | ≥1770 |
Bauxite Chamotte
Products
Chemical Analysis (by weight,%)
| Code | Al2O3 | Fe2O3 | TiO2 | CaO+MgO | K2O+Na2O | Loss of ignition |
| 85 | ≥85 | ≤1.0 | ≤4.0 | ≤0.8 | ≤0.5 | ≤0.5 |
| 80 | ≥80 | ≤1.5 | ≤5.0 | ≤0.8 | ≤0.7 | ≤0.5 |
| 70 | ≥70 | ≤2.0 | ≤5.0 | ≤1.0 | ≤0.7 | ≤0.5 |
