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高铝刚玉又叫亚白刚玉，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℃.
It is as hard as white aluminum oxide, as tough as brown aluminum oxide. It is a kind of high-grade refractory and grinding materials, the specific gravity 3.8g/cm3, the degree of refractory ≧1850℃.
理化性能指标 Physical chemical performance index
| 化学成份（%） | ||||
粒度 |
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 |