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  Ceramic Seal Faces With High Purity (99%, 99.5%)
 
Ceramic Seal Faces With High Purity (99%, 99.5%)

Ceramic seal faces have the property of good sealing, resistant-high-temperature,
resistant-corrosion, and resistant-wearing.Ceramic seal faces are widely used in many
different industries, including spacecraft, machinery, metallurgy, printing and dyeing,
foodstuff, pharmaceutical, auto industry and so on.

 

 AL2O3 Ceramic physical property

 Technical Parameter

 Unit

99%

99.50%

 Content of Al2O3

 % 

99

99.5

 Density

 g/cm3 

3.88

3.9

 Hardness

 HRA 

88

90

 Porosity Rate

 % 

 <0.2 

 <0.15 

 Fractural Strength

 Mpa 

310

350

Coefficient of Heat Expansion

 10-6/K 

5.3

5.2

 Thermal Conductivity

 W/M.K 

26.7

26

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