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Sintered Mullite Brick 70% Al2O3 Sintering High Temp Fire Brick

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April 10, 2025
Category Connection: Sillimanite Brick
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Tags:
#mullite brick #high temp fire brick #mullite insulation brick
Brief: Discover the Sintered Mullite Brick with 70% Al2O3, a high-temperature fire brick designed for superior performance in glass furnaces and industrial applications. This video highlights its features, including high temperature resistance, excellent thermal shock stability, and low creep rate.
Related Product Features:
  • Made from sintered mullite, fused corundum, and fused mullite for durability.
  • High temperature resistance up to 1650°C for demanding industrial environments.
  • Excellent thermal shock stability with over 20 cycles of resistance.
  • Low creep rate at high temperatures ensures long-term structural integrity.
  • High compressive strength of ≥70 MPa for robust performance.
  • Used in glass furnace regenerators, furnace walls, and melting pool tops.
  • Available in two grades: SM-70 and SM-75 with varying Al2O3 content.
  • Apparent porosity ≤17% for reduced thermal conductivity.
Faqs:
  • What is the maximum temperature the Sintered Mullite Brick can withstand?
    The Sintered Mullite Brick can withstand temperatures up to 1650°C, making it ideal for high-temperature industrial applications.
  • Where is the Sintered Mullite Brick commonly used?
    It is commonly used in the middle and upper parts of glass furnace regenerators, furnace walls, small furnace tops, and melting pool tops due to its high-temperature resistance and stability.
  • What are the key differences between SM-70 and SM-75 grades?
    The SM-70 grade contains 69-70% Al2O3, while the SM-75 grade has 73-75% Al2O3. The SM-75 also has slightly lower SiO2 and Fe2O3 content and a higher bulk density.
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