高铝刚玉具有白刚玉的硬度,同时兼有棕刚玉的韧性,是较为理想的高级耐火材料和研磨材料,体积密度3.8g/cm3,耐火度≧1850℃.
理化性能指标
粒度
| 化学成份(%) |
Al2O3 | TiO2 | Fe2O3 | SiO2 |
0-50mm | ≥98.00 | ≤1.00 | ≤0.30 | ≤0.70 |
8-5mm | ≥98.00 | ≤1.00 | ≤0.30 | ≤0.70 |
5-3mm | ≥98.00 | ≤1.00 | ≤0.30 | ≤0.70 |
3-1mm | ≥98.00 | ≤1.00 | ≤0.30 | ≤0.70 |
1-0mm | ≥97.50 | ≤1.00 | ≤0.30 | ≤0.70 |