Refractory Bricks
brown corundum for polishing

brown corundum for polishing

Brown Corundum are fused with premium raw materials and 3500 KVA furnace. It is perfect material specifically manufactured to be used for general abrasive applications in bonded abrasive tools, and lapping and polishing processes. While aluminum oxide has lower hardness and abrasive capacity than diamond, boron carbide, and silicon carbide, it is widely used for grinding ferrous materials, finishing tough and hard materials. It is also be used as high-class refractory materials. Brown aluminum oxide is offered in macro and micro powder form, in both F and P grades.

Purpose 

Specification

Chemical composition(%)   

 Magnetic material ≤

Al2O3(≥)

Fe2O3(≤)

SiO2≤

TiO2≤

   For abrasive    

F grit

4#-80#

 95.0

  0.3  

  1.5  

 3.0 

 0.05

 

90#-150#

 94.0

 0.03

 

180#-240#

 93.0

3.5

 0.02

P grit

8#-80#

 95.0

 0.2 

 1.2

3.0

 0.05

 

100#-150#

 94.0

 0.03

 

180#-220#

 93.0

 0.3

 1.5

3.5

 0.02

  Micro Powder

 W0.5-W63
F320-F1500

 92.5

 0.5

 1.8

4.0

 


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