Type | High alumina | |
Material | high alumina gunning mix | |
Refractoriness.(℃) | 1750 | |
Bulk density after drying at 110℃, g/cm3 | 2.2 | |
Chemical analysis, % | Al2O3≥ | 55 |
SiO2≤ | 37 | |
Cold crushing strength (Mpa) |
110℃*24H | 21 |
800℃*3H | 18 | |
1300℃*3H | 35 | |
Cold bending strength (Mpa) | 110℃*24H | / |
800℃*3H | / | |
1300℃*3H | 2.8 | |
1300℃*3H | +0.7 | |
Thermal conductivity W.(m.K)-1 | 0.8 | |
Construction method | by guning shot/machine | |
Application | for furnace or heater equipment maintace or repairment |