Vespel® Polyimide Rod SP-21
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DuPont™ Vespel® is Widely Used For:

  • Semiconductor and material handling machinery
  • Chip test sockets
  • Wafer clamping rings
  • Valve seats and sealing applications
  • Spline couplings
  • High performance bearings and bushings
  • Locking fasteners for aerospace
  • Pivot bushings on unison ring

Performance Characteristics:

  • Long term performance at temperatures
    up to 260°C (500°F)
  • Outstanding sealing characteristics when mated against metals
  • Excellent unlubricated bearing and wear properties (bearing grades)
  • Good electrical insulating properties
    (unfilled grades)

Common Brands:

  • DuPont™ Vespel®

Authorized Distributor of DuPont™ Vespel Polyimide
Download Vespel for Valves White Paper
Military and Aerospace Spline Couplings Machined From DuPont Vespel Parts & Shapes White Paper

Vespel® Polyimide Rod SP-21

Shop for authentic DuPont™ Vespel® SP-21 rods. SP-21 is graphite-enhanced with low-friction properties for use with or without lubrication in various applications. Stocked materials typically ship in 2-3 business days. Can’t find what you need? Get a quote or learn more about DuPont™ Vespel® SP-21.

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