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About Vespel® SP-22
DuPont™ Vespel® SP-22 is a graphite-filled Polyimide that offers minimal thermal expansion and excellent dimensional stability for design flexibility. It also provides enhanced resistance to wear and friction as well as oxidative stability.
Features/Properties
- Balanced electrical properties
- Dimensional Stability
- Excellent Wear resistance
- Good Abrasion Resistance
- High Compressive Strength
- Low Coefficient of Friction
- Low outgassing
Applications
- Bearings
- Bushings
- Connectors
- Locators
- Pump wear rings
- Retainers
- Rollers
- Seals
- Valve caps
- Valve Seats
- Wand tips
- Washers