Ceramic Seal Faces

99% Alumina and 99.5% Alumina

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.

Ceramic Seal Faces With High Purity

AL2O3 Ceramic physical property
Technical Parameter Unit 99% Alumina 99.5% Alumina
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

Download the 2015 Mechanical Seals Catalogue, Seal Faces & Shaft Bushings Catalogue, and Armor Ceramic Tiles Catalogue.

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