Mullite castable is a kind of refractory castable made of high quality porous mullite aggregate, fine powder and additives. The critical particle size of mullite aggregate is 12mm, and the long-term service temperature is 1350 ℃.
| Composition | Property | |
| Max Service Temp. °C | 1600 | |
| Al2O3 % | 60～75 | |
| CaO % | ≤1.7 | |
| BD g/cm3 | ≥2.5 | |
| CCS MPa | 110°C×24h | ≥80 |
| 1100°C×3h | ≥90 | |
| 1500°C×3h | ≥100 | |
| MOR MPa | 110°C×24h | ≥8 |
| 1100°C×3h | ≥9 | |
| 1500°C×3h | ≥10 | |
| RLC % | 1100°C×3h | ±0.4 |
| 1500°C×3h | ±0.5 | |
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