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  • 莫来石堇青石质砖.jpg
  • 莫来石堇青石砖.jpg

Mullite Cordierite Brick

Mullite cordierite brick is made of high quality mullite, cordierite and white corundum as the main raw materials.
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  • Description
  • Mullite cordierite brick is made of high quality mullite, cordierite and white corundum as the main raw materials, combined with compound ultrafine powder and special chemical admixtures, sintered at high pressure and high temperature. It is mainly used for masonry of ceramic burners in hot blast furnaces. It has stable volume at high temperature, high bending strength at high temperature and excellent thermal shock resistance.

    General Properties

    Chemical Analysis Item Standard
    Al2O3 ≥60%
    Fe2O3 ≤1.2%

    Physical Properties

      

    Item Unit Standard
    Apparent Porosity  % ≤23
    Bulk Density    g/cm³ ≥2.30
    Cold Crushing Strength   MPa ≥50

    Refractoriness Under load T0.2

    ≥1500
    Thermal Shock Resistance  (1100℃ water cooling) cycles ≥70
    Permanent Linear Change %

    -0.1~0.1

    1450℃×2h

Keywords:

Refractory materials

Mullite Cordierite Brick

Steel

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