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High Alumina Brick
The high alumina is divided into different kinds according to the alumina content and usage, they are widely used in glassfurnace, metallurgy, electric furnace, cement kiln and other heat-engineering equipments.
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Classification:
Fire Clay Brick＆ High Alumina Brick
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High Alumina Brick
Graphic Details
| 项目 Item | LZ-75 | LZ-65 | LZ-55 | |
| Al2O3 (%) | ≥75 | ≥65 | ≥55 | |
| 耐火度(℃)Refractoriness | ≥1790 | ≥1770 | ≥1770 | |
| 0.2Mpa 荷重软化温度(KD℃) 0.2Mpa Softening Temp Under Load |
≥1520 | ≥1500 | ≥1470 | |
| 重烧线变化 Permanent Linear Change |
1500℃×2h | +0.1/-0.3 | +0.1/-0.4 | +0.2/-0.5 |
| 显气孔率 (%) Apparent Porosity |
≤23 | ≤22 | ≤20 | |
| 常温耐压强度(Mpa) Cold Crushing Strength |
≥75 | ≥65 | ≥55 | |
The high alumina is divided into different kinds according to the alumina content and usage, they are widely used in glassfurnace, metallurgy, electric furnace, cement kiln and other heat-engineering equipments.
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