75 High Aluminum Brick
- Description
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The primary high alumina brick refers to the alumina silicate refractory with Al2O3content greater than 75%, the use of bauxite clinker and bonded clay as the main raw materials, the use of high pressure molding and high temperature sintering production process, the main crystal phase is mullite phase and corundum phase, corundum phase filled in the column mullite gap, the process prepared the primary high alumina brick with high strength, low porosity, mullite crystal phase intact development, It has the characteristics of strong anti-erosion ability, high load soft, good thermal shock performance and good volume stability.
General Properties
Standard Chemical Analysis Al2O3 ≥75% Fe2O3 ≤1.8% Physical Properties
Standard Apparent Porosity （%） / ≤24 Bulk Density (g/cm³) At 110℃ ≥2.50 Cold Crushing Strength （MPa） At 110℃ ≥60 Refractoriness Under load T0.6 （℃）
0.2MPa ≥1520 Permanent Linear Change （%） 1400℃×2h -0.4~0.2
Keywords：
Refractory materials
75 High Aluminum Brick
Nonferrous
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