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SKU: Ceramic Seal Face

Ceramic Seal Face

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

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A1203 Ceramic physical property
Technical Parameter Unit 95% 99% 99.50%
Content of A1203 % ≥95 ≥99 ≥99.5
Density g/cm3 3.7 3.88 3.9
Hardness HRA 85 88 90
Porosity Rate % 〈0.4 〈0.2 〈0.15
Fractural Strength Mpa 250 310 350
Coefficient of Heat Expansion 10-6/K 5.5 5.3 5.2
Thermal Conductivity W/M.K 27.8 26.7 26