| Technical Data | Corundum Mullite Brick | |
| GM-85 | ||
| Chemical Composition (wt%) | Al2O3 | ≥85 |
| SiO2 | ≤13 | |
| Fe2O3 | ≤0.5 | |
| Volume Density (kg/m3) | 2850~3050 | |
| Normal Temperature Compression Strength (MPa) | ≥70 | |
| Refiring Linear Change (%) | 1500℃×3h | ±0.2 |
| Maximum Service Temperature (℃) | ≥1600 | |
