Roller Passage Brick
| TRESUM | TRETIC | TRXMUL | TREMHEM | |
| Al2O3 % | 38 | 61 | 40 | 38 |
| SiO2 % | 51 | 32 | 47 | 52 |
| MgO % | 8 | 5 | 6 | 6.5 |
| Density g/cm3 | 1.9 | 1.6 | 2 | 1.95 |
| Apparent Porosity % | 28 | 26 | 24 | 26 |
| Rupture Strength at
Normal Temperature MPa |
12 | 10 | 15 | 12 |
| Coefficient of Linear Expansion /k-1(125-1000℃) | 2.4×10-6 | 3.9×10-6 | 2.4×10-6 | 2.3×10-6 |
| Rupture Strength at 1250℃ Mpa | 2.4×10-6 | 9 | 12 | 9 |
| Specific Heat at 20℃ /knx (kyx k-1) | 1.0 | 0.8 | 1.0 | 1.0 |
| Max Working Temperature ℃ | 1350 | 1300 | 1250 | 1250 |
