Vespel® SP-3

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About Vespel® SP-3

DuPont™ Vespel® SP-3 is and MoS2 filled Polyimide used in vacuum and dry environments with low outgassing. SP-3 provides maximum wear and friction resistance in vacuum and other moisture-free environments, where graphite becomes abrasive.

  • Balanced electrical properties
  • Dimensional Stability
  • Excellent Wear resistance
  • Good Abrasion Resistance
  • High Compressive Strength
  • Low Coefficient of Friction
  • Low outgassing
  • Bearings
  • Bushings
  • Connectors
  • Locators
  • Pump wear rings
  • Retainers
  • Rollers
  • Seals
  • Valve caps
  • Valve Seats
  • Wand tips
  • Washers
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