Mullite Cordierite Brick
- Description
-
Mullite cordierite brick is made of high quality mullite, cordierite and white corundum as the main raw materials, combined with compound ultrafine powder and special chemical admixtures, sintered at high pressure and high temperature. It is mainly used for masonry of ceramic burners in hot blast furnaces. It has stable volume at high temperature, high bending strength at high temperature and excellent thermal shock resistance.
General Properties
Chemical Analysis Item Standard Al2O3 ≥60% Fe2O3 ≤1.2% Physical Properties
Item Unit Standard Apparent Porosity % ≤23 Bulk Density g/cm³ ≥2.30 Cold Crushing Strength MPa ≥50 Refractoriness Under load T0.2
℃ ≥1500 Thermal Shock Resistance （1100℃ water cooling） cycles ≥70 Permanent Linear Change % -0.1~0.1
1450℃×2h
Keywords：
Refractory materials
Mullite Cordierite Brick
Steel
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