Description
Features
High alumina insulation brick is featured with high strength, good thermal shock resistance, good thermal insulation performance. It can help to reduce thermal capacity of furnace wall, and improve thermal efficiency of kiln & furnace.
Parameter
| Item | GL-0.8 | GL-1.0 | ML-0.8 | ML-1.0 | MLG-1.0 | MLG-1.3 | XL-1.4 | XL-1.5 |
|---|---|---|---|---|---|---|---|---|
| Al2O3, ≥% | 48 | 50 | 58 | 60 | 78 | 80 | 88 | 90 |
| Fe2O3, ≤% | 1.5 | 1.5 | 1 | 1 | 0.8 | 0.8 | 0.4 | 0.4 |
| Bulk density, g/cm3 | 0.8 | 1.0 | 0.8 | 1.0 | 1.0 | 1.3 | 1.4 | 1.5 |
| Cold crushing strength, ≥MPa | 4 | 5 | 3 | 4 | 3 | 4 | 7 | 8 |
| Permanent linear change, ≤, (1100℃×3h) | -0.8 | -0.8 | -0.6 | -0.6 | -0.4 | -0.4 | -0.3 | -0.3 |
| Thermal conductivity coefficient, W/(m·K) Average Temperature (350±25℃) | 0.3 | 0.4 | 0.3 | 0.5 | 0.7 | 0.8 | 0.7 | 0.8 |
