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Composite Brown Corundum Bricks

The composite brown corundum brick is mainly made of high quality brown corundum, silicon carbide, fused mullite.
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  • Description
  • The composite brown corundum brick is mainly made of high quality brown corundum, silicon carbide, fused mullite, silicon metal, composite ultrafine powder and special admixtures combined by high pressure forming and high temperature sintering. It is mainly applied to the masonry of iron outlet, tuyere and hearth of blast furnace. It has the characteristics of high bending strength at high temperature, high softening temperature under load, corrosion resistance and high temperature volume stability.

    General Properties

    Chemical Analysis Item Standard
    Al2O3 ≥75%
    Fe2O3 ≤1.0%
    SiC 6~10%

    Physical Properties

      

    Item Unit Standard
    Apparent Porosity  % ≤16
    Bulk Density    g/cm³ ≥2.95
    Cold Crushing Strength  MPa ≥100

    Refractoriness Under load (T0.2)

    ≥1660
    Permanent Linear Change  1450℃×2h % -0.2~0.1

Keywords:

Refractory materials

Composite Brown Corundum Bricks

Steel

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