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项 目 \ 牌 号
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粘土砖
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高铝质
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FB42-L
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AL55
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AL60
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AL65
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AL75
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AL80
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AL85
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CBP80
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| Al2O3 % |
≥42 |
≥55
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≥60
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≥65 |
≥75 |
≥80
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≥85 |
≥80
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| Fe2O3 % |
≤2
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≤2.0
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≤2.0
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≤1.5
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≤1.5
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| 耐火度 ℃ |
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≥1790
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≥1790
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≥1790
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≥1790
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≥1810
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≥1810
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≥1810
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| 重烧线变化率 % |
1350 ℃×2h
±0.2 |
1500 ℃×2h
±0.5 |
1500 ℃×2h
±0.5 |
1500 ℃×2h
±0.5 |
1500 ℃×2h
±0.5 |
1550 ℃×2h
±0.5 |
1550 ℃×2h
±0.5 |
1550 ℃×3h
±0.5 |
| 显气孔率 % |
≤23
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≤24
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≤23
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≤23
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≤23
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≤22
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≤20
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≤18
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| 体积密度 (参考) g/cm3 |
≥2.15
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≥2.25
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≥2.35
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≥2.40
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≥2.65
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≥2.7
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≥2.75
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≥2.8
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| 常温耐压强度 MPa |
≥35
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≥35
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≥40
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≥40
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≥50
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≥55
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≥60
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≥100
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| 荷重软化温度 KD ℃ |
T2≥1450
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≥1450
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≥1470
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≥1480
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≥1500
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≥1500
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≥1520
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≥1450
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| 常温抗折强度 MPa |
≥14
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≥14
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≥20
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