| Type | High alumina | |
| Material | High alumina ramming mix |
|
| Max working temp.(℃) | 1500 | |
| Bulk density after drying at 110℃, g/cm3 | 2.7 | |
| Chemical analysis, % | Al2O3≥ | 83 |
| Cr2O3≤ | Fe2O3 1.1 | |
| MgO≤ | ||
| Cold crushing strength (Mpa) |
110℃*24H | 38.5 |
| 800℃*3H | 47.5 | |
| 1400℃*3H | 67.2 | |
| Cold bending strength (Mpa) | 110℃*24H | |
| 800℃*3H | ||
| 1400℃*3H | ||
| Linear change after heating, % | 800℃*3H | |
| 1400℃*3H | ‘+0.5 | |
| Slag resistance | 1450℃*2H | |
| Construction method | ramming | |
| Application | steel ladle | |
