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What is the refractory material ladle refractory castable
Ladle refractory castable is mainly made of high-quality bauxite, high-quality corundum and magnesium oxide. It is an undefined refractory, which is prepared by using micronized compounds and adding some additives.
Features of the refractory material ladle refractory castable
Ladle refractory castable has good slag resistance and peeling resistance, high volume stability, high strength and short sintering time.
Application of ladle refractory castable
- Steel furnace
- Kiln for steel production
- Glass furnace
- Cement kiln
- Ceramic tunnel kiln
More relevant refractory products: Refractory Acid Proof Brick
Parameters of ladle refractory castable
| Ladle Castable | Spinel | Al and Mg | Mg mass | |
| Al2O3, % ≥ | – | 88 | 72 | 32 |
| MgO, % ≥ | – | 7 | 11 | 60 |
| SiO2, % ≥ | – | – | 9.5 | – |
| Bulk Density, g/cm3 ≥ | 110℃×24h | 3.1 | 2.9 | 2.9 |
| 1550℃×3h | 2.95 | 2.8 | 2.8 | |
| Linear change, % | 110℃×24h | 0-0.2 | 0-0.2 | 0-0.2 |
| 1550℃×3h | 0-0.8 | 0.5-1.5 | 0.5-1.2 | |
| Modulus of Rupture, MPa ≥ | 110℃×24h | 7 | 9 | 6 |
| 1550℃×3h | 8 | 9 | 8 | |
| Cold Crushing Strength, MPa ≥ | 110℃×24h | 30 | 60 | 45 |
| 1550℃×3h | 70 | 60 | 40 | |
| Amount of water, % | – | 5.0-6.0 | 5.0-6.0 | 5.0-6.0 |
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