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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。
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牌号
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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%
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≥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
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28-31%
|
65-69%
|
≤0.8%
|
≤2.5%
|
≥2.3g/m7
|
≤3%
|
