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Chrome corundum brick

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Product Description

  product Overview:

 

  Chrome corundum brick is mainly made by aluminum-chromium material, chromium hemitrioxide and alumina through mixing as per certain ratio, high pressure forming and burning under high-temperature. It’s featuring high refractoriness under load, large strength and good corrosion resistance. It’s mainly used for coal-water slurry pressurized gasifiers, carbon black reactors and other high-temperature industrial kilns, etc.

  Physical and chemical indicators:

 

Item GGZ-5 GGZ-12 GGZ-20 GGZ-30
Cr2O3                %           ≥ 5 12 20 30
Cr2O3 +Al2O3    %           ≥ 93 93 93 93
Fe2O3             %           ≤ 0.3 0.3 0.3 0.3
Apparent porosity       %           ≤ 18 18 18 18
Volume density        g/cm³            ≥ 3.1 3.2 3.4 3.5
Ambient compression strength     Mpa        ≥ 100 100 100 100

 

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