Max service temp： 1400-1600℃
Bulk density： 2.5-2.65 g/cm3
| Type | High alumina | |||
| Material | High alumina refractory castable |
High alumina high strength refractory castable |
High alumina high strength low cement refractory castable |
|
| Max working temp.(℃) | 1400 | 1500 | 1600 | |
| Bulk density after drying at 110℃, g/cm3 | 2.5 | 2.6 | 2.65 | |
| Chemical analysis, % | Al2O3≥ | 65 | 75 | 78 |
| SiO2≤ | 25 | 20 | 15 | |
| Cold bending strength (Mpa) | 110℃*24H | 8 | 8 | 10 |
| 1100℃*3H | 8 | 8 | 10 | |
| 1500℃*3H | / | / | ||
| Cold crushing strength (Mpa) |
110℃*24H | 70 | 80 | 100 |
| 1100℃*3H | 70 | 80 | 100 | |
| 1500℃*3H | / | / | / | |
| Linear change after heating, % | 1100℃*3H | ±0.40 | ±0.30 | ±0.30 |
| 1500℃*3H | / | / | / | |
| Water Addition | 5.5-7% | 6-7% | 6-7% | |
| Construction method | Vibration | Vibration | Vibration | |
| Application | cement kiln cooler rear part, other industrial kiln linings | cement kiln door, kilnhood, cooler and other high temp zones, and other industrial furnace linings | ||
