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  • 70莫来石砖 (2).JPG
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Sintered mullite bricks-70

Mainly used in the upper part of glass kiln regenerator chambers, small furnace walls, arch tops, molten pool tops, and feeding channels. It has characteristics such as high temperature resistance, good thermal shock stability, and low high-temperature creep rate.
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  • Description
  • Sintered mullite bricks are made from sintered mullite, electric fused alumina, electric fused mullite, and special additives, formed under high pressure and sintered at high temperatures. They are mainly used in the upper part of glass furnace regenerator chambers, small furnace walls, arch tops, melting pool tops, and feeding channels. They feature high temperature resistance, good thermal shock stability, and low thermal expansion at high temperatures.

    General Properties

    Chemical Analysis Item Standard
    Al2O3 69%-70%
    Fe2O3 ≤1.2%
      SiO₂ ≤26%

    Physical Properties

      

    Item Unit Standard
    Apparent Porosity  % ≤17
    Bulk Density    g/cm³ ≥2.60
    Cold Crushing Strength   MPa ≥70

    Refractoriness Under load T0.2

    ≥1600
    Thermal Shock Resistance  (1100℃ water cooling) cycles ≥20
    Creep Rate(0.2MPa,1500℃x50h) %

    ≤0.5

Keywords:

Sintered mullite bricks-70

Glass

Refractory materials

Categorie:

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