基本信息
| 形状 | Brick |
|---|
index item silica brick for coke oven LJG-94 LJG-95 SiO2% ≥ 94 95 AL2O3% ≥ 1.2 1.0 Fe2O3% ≤ 1.3 1.2 0.2MPa refractoriness under load 0C ≥ 1650 1650 Linear change after heating % (14500C×2h) +0.2 +0.2 class 1 apparent porosity% ≤ class2 22 22 24 24 cold crushing strength MPa ≥ 30 35 true density g/cm3 ≤ 2.34 2.33 2.34 thermal expansion(10000C)% ≤ 1.28 1.30
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