| Item | High Alumina Castable | ||||
| DLG-80 | DLG-70 | DLG-60 | DLG-50 | ||
| Al2O3(%) | ≥80 | ≥70 | ≥60 | ≥50 | |
| CaO(%) | ≥2.5 | ≥2.5 | ≥2.5 | ≥2.5 | |
| Bulk density(g/cm3) | 110°C×24h | ≥2.75 | ≥2.60 | ≥2.50 | ≥2.40 |
| 1500°C×3h | ≥2.70 | ≥2.60 | ≥2.40 | ≥2.40 | |
| Compression Strength(MPa) | 110°C×24h | ≥45 | ≥45 | ≥40 | ≥40 |
| 1500°C×3h | ≥75 | ≥70 | ≥60 | ≥60 | |
| Bending Strength(MPa) | 110°C×24h | ≥7 | ≥6 | ≥6 | ≥6 |
| 1500°C×3h | ≥10 | ≥10 | ≥8 | ≥8 | |
| Linear Change(%) | 110°C×24h | ≤-0.1 | ≤-0.1 | ≤-0.1 | ≤-0.1 |
| 1500°C×3h | ≤-0.5 | ≤-0.5 | ≤-0.5 | ≤-0.5 | |
| Max Working Temperature(℃) | 1600 | 1500 | 1450 | 1400 | |
