Alumina
Alumina

Alumina

Category：

Chemical compound

High melting point, high thermal strength, high hardness and good thermal stability. Adding aluminum oxide into friction materials can effectively improve the friction coefficient at room temperature and high temperature, and has certain effect on reducing the cracking of friction plates caused by heat decay. The amount of aluminum oxide added in the specific formula should not be too much, which is generally controlled within 3% and more than 325 mesh to avoid increased wear and damage to the dual.
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Detailed introduction

High melting point, high thermal strength, high hardness and good thermal stability. Adding aluminum oxide into friction materials can effectively improve the friction coefficient at room temperature and high temperature, and has certain effect on reducing the cracking of friction plates caused by heat decay. The amount of aluminum oxide added in the specific formula should not be too much, which is generally controlled within 3% and more than 325 mesh to avoid increased wear and damage to the dual.

 

Item

Unit

Technical Indicators

Density

g/cm3

3.9-4.0

Al2O3  content

%

＞99

Size

Mesh

325

Mohs’hardness scale

 

7

key word:

Alumina

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