采用优质天然铝矾土为原料，经精选工序和多级均化，高温烧结而成，具有莫来石含量高、体积密度大，热震稳定性好、高温蠕变值小和抗化学腐蚀性好等性能特点。是生产各种定性与不定性莫来石质耐火材料、精密铸造等产品的理想原料。
|
牌号 |
AL2O3 |
SiO2 |
Fe2O3 |
K2O、Na2O |
体密 |
吸水率 |
|
M601 |
56-58% |
37-40% |
≤0.8% |
≤0.3% |
≥2.5g/m5 |
≤3% |
|
M45 |
45-47% |
49-52% |
≤0.8% |
≤1.6% |
≥2.45g/m6 |
≤2% |
|
M70 |
69-73% |
22-25% |
≤1.0% |
≤0.35% |
≥2.75g/m3 |
≤3% |
|
M60 |
58-62% |
35-38% |
≤1.0% |
≤0.3% |
≥2.65g/m4 |
≤3% |
|
复合材料 |
28-31% |
65-69% |
≤0.8% |
≤2.5% |
≥2.3g/m7 |
≤3% |
