Find out which our products can fit your company's demand:
- Single Spring Mechanical Seal
- Multiple Spring Mechanical Seal
- Wave Spring Mechanical Seal
- Metal Bellow Mechanical Seal
- Cartridge Mechanical Seal
- Stationary Seat
- Sealing Material
- Alfa Laval Pump Mechanical Seal
- APV Pump Mechanical Seal
- Grundfos Pump Mechanical Seal
- Flygt Pump Mechanical Seal
- Other Pump Mechanical Seal
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Ceramic Main Performance Index
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.
AI2O3 Ceramic physical property | ||||
Technical Parameter |
Unit |
95% |
99% |
99.50% |
Content of Al2O3 |
% |
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 |