High purity corundum bricks for high hot blast furnace

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High purity corundum bricks for high hot blast furnace
Posting date : Jun 11, 2014
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Free Member Scince May 28, 2014
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25-
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corundum products Ingredient Dense fused corundum、 Synthetic mullite、Chrome,etc Fire resistant ≥1790℃ Advantages 1.high density& temperature resistibility 2. low bulk density, high compressive strength, 3. resistance to high temperature(≥1790℃) 4.good thermal shocking resistance 5.Excellent corrosion resistant to acids and alkalis  6. They are not influenced by H2, CO gases during use Size and specifications 230x114x65mm The size, density, chemical composition can be customized. Item High purity corundum bricksDL-98 Al2O3%≥ 98.5 Cr2O3%≥ / SiO2%≤ 0.3 Fe2O3%≤ 0.2 R2O%≤ 0.3 Bulk Density(g/cm3 ≥) 3.0 Compressive strength at normal temperature(MPa≥) 75 Fire resistant(°C≥) 1790 Soften point at 0.2 MPa loadKD °C 1700 Liner Change(%)1600°C x3h 0.2 Thermal shock stability1100 °C water 6

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