product name:
mechanical seal manufacturers Ceramic Seal Ring
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.
drawing of mechanical seal manufacturers Ceramic Seal Ring
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 |