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Description
Vespel Ring Overview
Vespel rings are high-performance components made from Vespel, a polyimide material known for its outstanding thermal stability, mechanical strength, and low friction properties. Vespel rings perform exceptionally well in high-temperature environments, vacuum conditions, and under high stress, making them ideal for demanding applications in aerospace, automotive, and industrial sectors.
- Exceptional thermal stability
- High mechanical strength
- Low friction and wear
- Good chemical resistance
- Excellent performance in vacuum and cryogenic conditions
Technical Properties
Technical Properties of Vespel Rings
| Property | Value |
|---|---|
| Density | 1.43 g/cm³ |
| Tensile Strength at 73°F | 8,500 psi |
| Flexural Strength at 73°F | 15,000 psi |
| Compressive Strength at 10% strain | 24,000 psi |
| Heat Deflection Temperature | 572°F (300°C) |
| Coefficient of Linear Thermal Expansion | 2.5 x 10⁻⁵ in/in/°F |
| Flammability Rating | V-0 |
Applications
Applications of Vespel Rings
Vespel rings are used in a wide range of demanding applications where high temperature, low friction, and chemical resistance are critical. Common applications include:
- Sealing rings in aerospace engines
- Bearing rings in high-temperature machinery
- Rings in automotive transmission systems
- Insulating rings in electrical components
- Wear rings in industrial pumps and valves
Comparison Chart
Vespel Grades Comparison
For a detailed comparison between different Vespel grades, refer to the Vespel Datasheet.