Corundum Mullite Brick

Corundum Mullite Brick

1. Used in incinerators, glass/ceramic furnaces and various furnaces, kilns, etc
2. High thermal stability, allowing reliable operation even in extreme temperatures
3. Top manufacturer, 20 years of experience, quality assurance, competitive price
4. Free samples, please contact us for spec and price

  Description

●High temperature strength;
●High temperature creep resistance;
●thermal shock resistance and erosion resistance;
●More than 85% Al2O3 and 0.45% Fe2O3;
●Resistant to nonferrous metals of aluminum and zinc erosion;
●More than 19% apparent porosity;
●More than 55MPa cold crushing strength & More than 1700℃ refractoriness under load.

  Technical Data:

Item/Index Mullite Bricks Resintering Fused Mullite Bricks Mullite-Corundum Bricks Corundum-Mullite Bricks
Al2O3 ≥70% ≥75% ≥80% ≥90%
SiO2 ≤25% ≤23% ≤18% ≤8%
Fe2O3 ≤0.5% ≤0.5% ≤0.5% ≤0.3%
Apparent Porosity ≤17% ≤14% ≤19% ≤18%
Bulk Density ≥2.55g/cm ≥2.65g/cm ≥2.70g/cm ≥2.90g/cm
Cold Crushing Strength ≥90MPa ≥100MPa ≥80MPa ≥100MPa
Initial Refractoriness Under Load ≥1630℃ ≥1700℃ ≥1650℃ ≥1700℃

  Application:

Corundum mullite bricks are widely used in various high-temperature industrial furnaces, such as lime kilns, melting furnaces, etc., as refractory materials.

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