Magnesia
Alumina-Magnesia Spinel
Alumina-magnesia spinel (MgAl₂O₄) offers outstanding resistance to slag penetration and thermal shock, and is a key component of steel-ladle refractories and spinel castables.
Typical Analysis
| Composition | Value |
|---|---|
| Al₂O₃ | 66 - 78% |
| MgO | 22 - 34% |
| Phase | Spinel MgAl₂O₄ |
| Density | ≈ 3.3 g/cm³ |
Key Properties
| Types | Stoichiometric and alumina-rich |
|---|---|
| Characteristic | Slag resistance |