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Sillimanite bricks

Mainly used for supporting arches in the heat storage chamber of glass kilns and at the bottom of the melting pool, it features high temperature resistance, high compressive strength, excellent thermal shock stability, and superior high-temperature creep resistance.
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  • Description

  • Silimanite bricks are made of high-quality mullite, sillimanite, andalusite, sintered alumina, composite ultrafine powder and specific admixtures, which are formed by high pressure and sintered at high temperature. It is mainly used in glass furnace regenerative chamber, lattice body, support arch and molten pool bottom. It has the characteristics of high temperature resistance, high compressive strength, thermal shock stability and high temperature creep resistance.

    General Properties

    Chemical AnalysisItemSillimanite bricks 65

    Sillimanite bricks 60

    Pouring sintered sillimanite bricks

    Al2O3≥65%

    ≥60%

    ≥67%

    Fe2O3≤0.8%

    ≤0.9%

    ≤0.8%

    SiO2≤33.5

    ≤36.5

    ≤30

    Physical Properties

      

    ItemUnitSillimanite bricks 65

    Sillimanite bricks 60

    Pouring sintered sillimanite bricks

    Apparent Porosity %≤15.5

    ≤15

    ≤14

    Bulk Density   g/cm3≥2.55

    ≥2.52

    ≥2.75

    Cold Crushing Strength MPa≥90

    ≥75

    ≥100

    Refractoriness Under load(0.2MPa,0.6%)℃≥1600

    ≥1600

    ≥1650

Keywords：

Sillimanite bricks

Glass

Refractory materials

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