• High Purity Corundum Brick

High Purity Corundum Brick

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High purity corundum brick is made of imported tabular corundum and high purity fused corundum as raw material. By adding superfine powder, after mixing, forming, drying, firing at the high temperature in shuttle kiln, the whole process is finished.
The quality of corundum brick has reached or exceeded the level of similar products at home and abroad.
Feature:
1. Al2O3 content is ≥99%.
2. Good thermal shock resistance.
3. High temperature strength.
4. Good corrosion and slag resistance.
5. Low creep and thermal expansion coefficient.
6. Good performance of anti-stripping.
Application:
Primarily used for the key parts of heating furnace. 

Item

High Purity Corundum Brick

Sintered Corundum  Brick

 

AL2O3             %

 

≥99

 

90

 

SiO2             %

 

0.2

 

8

Fe2O3        %

 

0.2

 

0.2

Bulk Density      g/cm3

3.2

3

Apparent Porosity     %

≤19

20

Cold Crushing Strength Mpa

100

100

Refractoriness Under Load ℃  (0.2Mpa, 0.6%)

1700

≥1700

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