Non-wetting refractory castable
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- Silica ramming mass
Bulk Density: 2.8 g/cm3
Max working temp.: 1550℃
Compressive Strength: 95Mpa
Overview
Non-wetting aluminum castable is made by adding the composite ultra-fine powder to the castable, so as to reduce the porosity to less than 10% and prevent the adhesion and penetration of molten aluminum liquid.
Characters
In the aluminum smelting process, The castable is no-wetted in the molten aluminum, no slag, and no aluminum ash, which greatly reduces the reaction of aluminum liquid and refractory materials, and improve the quality of aluminum alloy.
Specification
| Type | high alumina | |
| Material | Non-stick aluminum refractory castable | |
| Max working temp.(℃) | 1550 | |
| Bulk density after drying at 110℃, g/cm3 | 2.80 | |
| Chemical analysis, % | Al2O3≥ | 80 |
| SiO2≤ | CaO 2% | |
| Cold bending strength (Mpa) | 110℃*24H | 10 |
| 800℃*3H | ||
| 1400℃*3H | 12 | |
| Cold crushing strength (Mpa) |
110℃*24H | 95 |
| 800℃*3H | ||
| 1400℃*3H | 90 | |
| Linear change after heating, % | 800℃*3H | |
| 1400℃*3H | -0.3 | |
| Water Addition | As per supplier formula | |
| Construction method | Vibration | |
| Application | Lower furnace wall and bottom of melting aluminum furnace | |
Message
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