| Type | High temp High alumina |
|
| Material | Semi-self flowing high alumina low cement castable | |
| Max working temp.(℃) | 1650 | |
| Bulk density after drying at 110℃, g/cm3 | 2.7 | |
| Chemical analysis, % | Al2O3≥ | 82 |
| SiO2≤ | 9 | |
| Cold bending strength (Mpa) | 110℃*24H | 8 |
| 800℃*3H | 10 | |
| 1100℃*3H | 12 | |
| Cold crushing strength (Mpa) |
110℃*24H | 80 |
| 800℃*3H | 100 | |
| 1100℃*3H | 120 | |
| Linear change after heating, % | 800℃*3H | ±0.30 |
| 1100℃*3H | ±0.40 | |
| Water Addition | 6-7% | |
| Construction method | Vibration | |
| Application | special for coal injection pipe | |