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项 目 \ 牌 号
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烧结莫来石砖
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刚玉莫来石砖
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刚玉砖
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莫来石硅线石砖
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莫来石堇青石砖
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MZ-60
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MZ-65
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MZ-70
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MZ-75
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GMS-80
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GMS-85
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GY-90Z
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GY-92Z
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GY-98
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MGS-65
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MGS-70
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MJS-40
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| Al2O3 % | ≥60 | ≥65 | ≥70 | ≥75 | ≥80 | ≥85 | ≥90 | ≥94 | ≥98 |
≥65 |
≥70 |
≥40 |
| Fe2O3 % | ≤1.2 | ≤1.0 | ≤0.8 | ≤0.6 | ≤0.5 | ≤0.5 | ≤1.0 | ≤1.0 | ≤0.3 |
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| 耐火度 ℃ |
>1790 | >1790 | >1790 | >1790 | >1790 | >1790 | >1790 | >1790 | >1790 |
>1790 |
>1790 |
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| 体积密度 g/cm3 |
≥2.45 |
≥2.50 |
≥2.55 |
≥2.60 |
≥2.65 |
≥2.75 |
≥2.95 |
≥3.1 |
≥3.1 |
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| 显气孔率 % |
≤20 |
≤20 |
≤20 |
≤20 |
≤20 |
≤20 |
≤16 |
≤16 |
≤20 |
≤22 |
≤20 |
≤28 |
| 常温耐压强度 MPa |
≥50 |
≥50 |
≥55 |
≥60 |
≥60 |
≥60 |
≥80 |
≥80 |
≥60 |
≥50 |
≥60 |
≥35 |
| 荷重软化温度 T2 ℃ | ≥1600 | ≥1650 | ≥1700 | ≥1700 | ≥1700 | ≥1700 | ≥1620 | ≥1650 | ≥1700 | ≥1600 | ≥1650 | |
重烧线变化率 % 1500℃×3h |
±0.1 | ±0.1 | ±0.1 | ±0.1 | ±0.2 | ±0.2 | ±0.2 | ±0.1 | ±0.2 | ±0.1 | ||
| 热震稳定性,次(1100℃ 水冷) |
≥30 | ≥30 | ≥20 | |||||||||
| 用 途 |
适用于各种高温窑炉及热工设备内壁、拱顶、燃烧室及工具砖等 |
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