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Sintered Corundum Series

Sintered Corundum Series

High Temperature Series

Item Code:A2501

Corundum series, which is made of fused cast white corundum, plate corundum and superfine powder, is sintered under high temperature. There are generally three moulding methods of it: pressure moulding, casting moulding and vibration moulding.

According to different contents of alumina, it can be divided into:

  • High purity corundum products
  • BPL products
  • Sintered corundum products
  • Corundum mullite products


It is mainly used in glass furnaces. Furthermore, it is able to be applied to key parts of furnaces in industries of steel, petrochemical, chemical fertilizer, non-ferrous metal, electronics, refractory materials, etc.


It has advantages of high temperature resistance, high compressive strength, high temperature erosion resistance and washing-out resistance. Especially, it has a good reputation of zero pollution for the parts contacting with liquid glass.

Physical and Chemical Indicators

Items High Quality and High Purity Corundum Brick BPL Sintered Corundum Brick Mullite Corundum Brick
Al2O3 % 99 94 90 80
SiO2 0.2   8 18
Fe2O3 0.2 0.15 0.2 0.3
Bulk Density g/cm3 3.2 3.15 3.05 2.8
Apparent Porosity % 19 18 18 18
Cold Crushing Strength Mpa 100 100 100 100
Refractoriness Under Load(0.2MPa,0.6%) 1700 1680 1700 1700
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