High quality high purity Zirconium Oxide ceramic ring
Description:
Zirconia sealing ring has high precision and good sealing effect.The material is environmentally friendly and non-toxic.Suitable for many purposes.
Ceramic ring for sealed pad printed machine, it is made of zirconia and featured by stable performance, high strength, high stiffness, and extra long life.
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Technical Parameters
Performance | Unit | Typical value |
Density | g/cm3 | >6.0 |
HV Hardness | Kg/mm2 | >1300 |
Compressive Strength | MPa | 5500 |
Flexural Strength | MPa | 1250 |
Modulus of Elasticity | Gpa | 200 |
Thermal Conductivity | W/(m.k) | 3(20-400℃) |
Thermal Expansivity Cofficient | 10^-6K^-1 | 10 |
Facture Toughness | Mpa.m0.5 | 8 |
Grain Size | um | 0.5 |
Principal characteristic
1. Great mechanical strength.
2. Low thermal conductivity.
3. High heat resistance.
4. High softening temperature.
5. Small thermal expansion coefficient.
6. Good cold-resistance heat-resistance.
7. Resistance to acid and alkali corrosion.
8. Long service life
Application
1. Precision ball valve balls and seats.
2. Deep well down-hole valves and seats.
3. Rollers and guides for metal tube forming.
4. Hot metal extrusion dies.
5. Marine pump seals and shaft guides.
6. Oxygen sensors.
7. Fuel cell membranes Ballistic armor.
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