Polycrystalline Mullite Composite Brick
- Description
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The multi-species mullite composite brick is made from high-purity electric melting mullite, Australian zircon sand, plate-like corundum, composite ultrafine powder, and special additives, formed under high pressure and sintered at high temperatures. Mainly used for glass kiln small furnace tongue and other key parts. It has characteristics such as high temperature resistance, strong impact resistance, excellent high temperature erosion resistance, thermal shock stability, and superior high temperature creep resistance.
General Properties
Chemical Analysis Item Standard ZrO2 ≥6.5% Al2O3 75% Fe2O3 ≤0.3％ SiO2 ≤18 Physical Properties
Item Unit Standard Apparent Porosity % ≤13 Bulk Density g/cm³ ≥2.95 Cold Crushing Strength MPa ≥120 Refractoriness Under load(0.2MPa,0.6%) ℃ ≥1700 Creep Rate(0.2MPa,1500°Cx50h) % ≤0.25 Thermal shock Resistance Cycles ≥15
Keywords：
Polycrystalline Mullite Composite Brick
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