|
牌 号
|
莫来石料
|
镁铝尖晶石
|
堇青石
|
锆刚玉
莫来石 |
烧结刚玉
|
||||||||
|
M75
|
M70
|
M70M
|
M70L
|
M60
|
M60M
|
M60L
|
M47
|
MA-90
|
MA-70
|
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| Al2O3 % | ≥75 | ≥70 | ≥70 | ≥70 | ≥60 | ≥60 | ≥60 | ≥47 | ≥90 | ≥70 | ≥35 | ≥40 | ≥98 |
| MgO % | ≥7 | ≥25 | ≥12.5 | ||||||||||
| ZrO2 % | ≥33 | ||||||||||||
| TiO2 % |
≤0.5
|
≤0.6 | ≤1.5 | ≤2.65 | ≤0.8 | ≤1.8 | ≤2.0 | ≤1.1 | |||||
| Fe2O3 % | ≤0.5 | ≤0.6 | ≤1.0 | ≤1.35 | ≤0.8 | ≤1.0 | ≤1.35 | ≤1.0 | ≤0.8 | ≤0.8 | ≤1.2 | ≤1.0 | |
| K2O+Na2O % | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.4 | ≤0.6 | ||||
| 耐火度 ℃ | ≥1790 | ≥1790 | ≥1750 | ≥1850 | |||||||||
| 体积密度 g/cm3 |
≥2.85 | ≥2.75 | ≥2.85 | ≥2.85 | ≥2.75 | ≥2.75 | ≥2.75 | ≥2.60 | ≥3.30 | ≥3.20 | ≥1.70 | ≥3.30 | ≥3.60 |
| 显气孔率 % |
≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤4 | ≤4 | ≤3 | ||
| 矿物相含量 % |
≥90 | ≥90 | ≥90 | ≥80 | ≥90 | ≥90 | ≥80 | ≥90 | ≥90 | ≥90 | ≥95 | ||
| 用 途 |
耐火材料、特种陶瓷、铸造模型等的优质原料 | ||||||||||||