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Erosion-resistant micro-expansion firebrick

It is characterized by high strength, good wear resistance and dense structure. The production and manufacturing process used can form a continuous Sio2 dense glaze layer on the brick surface to prevent the corrosion of harmful elements sulfur in carbon materials. The high temperature bending strength of the product and the good thermal shock stability of the product make the product not easy to break and flake.
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  • Description

  • Corrosion resistant micro-expansion refractory brick for tank body of tank calcination furnace, this product is a new product developed by our company. Its biggest feature is high strength, good wear resistance, dense structure, the production and manufacturing technology adopted can form a continuous Sio2 dense glaze layer on the brick surface, preventing the corrosion of harmful elements in the carbon material sulfur, the product high temperature bending strength, the product's thermal shock stability is good performance characteristics, so that the product is not easy to break and spalling.

    General Properties

    Chemical Analysis Item Standard
    Al2O3 ≥50% ≥65%
    Fe2O3 ≤2.0% ≤2.0%

    Physical Properties

      

    Item Unit Standard
    Apparent Porosity  % ≤20 ≤19
    Bulk Density    g/cm³ ≥2.45 ≥2.65
    Cold Crushing Strength  MPa ≥75 ≥80

    Refractoriness Under load （T0.2）

    		 ℃ ≥1580 ≥1630
    Permanent Linear Change  1450℃×2h % 0~0.25 -0.25~0

Keywords：

Erosion-resistant micro-expansion firebrick

Nonferrous

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