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refractories

Sintered Corundum

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;

sinterd-corundum
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sinterd-corundum
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Physical and Chemical Indicators

ItemsHigh Quality and High Purity Corundum BrickBPLSintered Corundum BrickMullite Corundum Brick
Al2O3%99949080
SiO20.2 818
Fe2O30.20.150.20.3
Bulk Densityg/cm33.23.153.052.8
Apparent Porosity%19181818
Cold Crushing StrengthMpa100100100100
Refractoriness Under Load(0.2MPa,0.6%)1700168017001700
Application

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.

Characteristics

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.

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