Face Seals Ceramic (Pump Parts)
Specifications
mechanical seal faces
High mechanical strength
Good thermal stability
Good chemical capability and insulation
Usage: Sealing rings for vacuum pump, acid alkali, salt, measure pumps, flowmeter and deep well pump and various rotary sealing rings.
A wide range of applications:
Chemical resistance, High temperature application, Friction, High speed, Aircraft accessory, Semiconductor, Food processing, Dental handpiece turbines.
Character:
Resistance to strong acid, strong alkali, salt and gas of deleterious, long life, high hardness, resistance to wear, especially resistance to hydrofluoric acid.
We are a professional manufacturer of alumina ceramic . Our product has the charcteristics of high mechanical strength, good brightness, good thermal stability and chemical capability , good insulation performance which is widely used in the area of electronics, electrical appliances, machinery, textile, thermal processing, instrumentation, control equipment and hairdressing.
Face Seals Ceramic (Pump Parts)
Ceramic physical property |
Technical Parameter | Unit | 95% | 99% | 99.5% |
Content of Al2O3 | % | >95 | >98.9 | >99.4 |
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 |
Cooffcioent of Heat Expansion | 10-6/K | 5.5 | 5.3 | 5.2 |
Thermal Conductivity | W/M.K | 27.8 | 26.7 | 26 |