(Al2O3 ceramic mechanical seal,ceramic seal,alumina ceramic pump seal,ceramic alumina oxide seal,aluminum oxide pipe )
Alumina Ceramic Seal ring has such merits :
high-temperature resistance, corrosion resistance, wearability resistance, good sealing ability, etc. It can be widely applied in sealing products such as acid resistance, alkaline resistance, oil proof pump.
| Ceramic Physical Property | | Technical Parameter | Unit | 95%ceramic | 99%ceramic | 99.5%ceramic | | Content of Al2O3 | % | 95 | 99 | 99.5 | | Density | g/cm3 | 3.7 | 3.88 | 3.9 | | Hardness | HRA | 85 | 88 | 90 | | Porosity | % | <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 |
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