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项 目 \ 牌 号
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特种高铝砖
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硅线石砖
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红柱石砖
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高铝堇青石砖
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SAL40S
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SAL40P
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SAL40
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SAL39S
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SAL39
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SAL38
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SAL37
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SAL36
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LS-65
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LS-60
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HS-60
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HS-55
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SPCD-50
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SPCD-60
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| Al2O3 % |
≥92 |
≥90 |
≥85 |
≥80 |
≥75 |
≥70 |
≥60 |
≥50 |
≥65 |
≥60 |
≥60 |
≥55 |
≥50 |
≥60 |
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| Fe2O3 % |
≤0.8 |
≤0.8 |
≤1.0 |
≤1.2 |
≤1.2 |
≤1.5 |
≤1.5 |
≤1.5 |
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| 耐火度 ℃ |
≥1850 |
≥1850 |
≥1850 |
≥1820 |
≥1850 |
≥1820 |
≥1790 |
≥1790 |
≥1790 |
≥1790 |
≥1770 |
≥1770 |
≥1790 |
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| 显气孔率 % |
≤18 |
≤19 |
≤19 |
≤20
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≤20 |
≤20 |
≤20 |
≤20 |
≤22 |
≤22 |
≤22 |
≤22 |
≤24 |
≤24 |
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| 体积密度(参考) g/cm3 |
≥3.0 |
≥2.90 |
≥2.85 |
≥2.8
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≥2.7 |
≥2.6 |
≥2.46 |
≥2.36 |
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| 常温耐压强度 MPa |
≥80 |
≥70 |
≥70 |
≥70
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≥60 |
≥55 |
≥45 |
≥40 |
≥50 |
≥50 |
≥40 |
≥40 |
≥40 |
≥50 |
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| 荷重软化温度 T2 ℃ |
≥1700 |
≥1700 |
≥1700 |
≥1650
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≥1650 |
≥1600 |
≥1550 |
≥1500 |
≥1550 |
≥1500 |
≥1500 |
≥1450 |
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| 重烧线 变化率 % |
1600℃×2h |
±0.1 |
±0.1 |
±0.1 |
0-+0.5
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| 1500℃×2h |
|
0-+0.5
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0-+0.5
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±0.3 |
±0.3 |
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| 1400℃
0-+0.5 ×3h
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±0.2
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±0.2
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±0.2
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±0.2
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| 1000℃ 线膨胀率 % |
≤0.8
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≤0.8
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≤0.75
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≤0.7
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≤0.7
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≤0.65
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≤0.6
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≤+0.5
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≤+0.5
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| Thermal 热震稳定性,次 (1100℃ 水冷) |
≥20
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≥20
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≥20
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≥20
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≥12
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≥12
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| 用 途 |
各种工业窑炉及热工设备内衬等。
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用于温度变化剧烈的工业窑炉
及热工设备内衬 |
各种工业窑炉的烧
嘴砖及陶瓷窑具砖 |
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