The addtionot rare earth based on tusion magnesia spinel brick and magnesia zirconia brick on (lanthanum oxide)and synthesis,the prodtucthas excellent fre resistance,thermal shock resistance,mechanical strength and coating adhering performance,especially the erosion resistance and erosion resistance is stronger than tradtional materials,chrome tree refactories in large rotary cement kiln.
| 牌号Brand 项目Item | 镁铝锆镧砖Magnesite-Alumina-Zircon-Lanthanum bricks | |
| LX-MAZL-85 | LX-MAZL-80 | |
| MgO(%)≥ | 85 | 80 |
| Al₂O₃ (%)≥ | 5.0 | 5.0 |
| SiO₂ (%)≤ | 1.0 | 2.0 |
| ZrO₂ (%) | 1.0~3.0 | 1.0~3.0 |
| La,O₂ (%) | 1.0-3.0 | 1.0-3.0 |
| 显气孔率(%)≤Apparent Porosity | 18 | 18 |
| 体积密度(g/cm³)≥Bulk Density | 2.95 | 2.90 |
| 常温耐压强度(MPa)Cold Crusing Strengtn | 60 | 50 |
| 荷重软化温度(T0.6 ℃) | 1700 | 1650 |
| 热需稳定性(950℃风冷)次Thermal Shock Resistance(950℃ air quenching,cycle) | 100 | 100 |
| Thermal conductivity(1000 ℃) | 3.4 | 3.2 |
| Thermal Expansion Coefficient | 1.5 | 1.4 |
