Vespel® SP-21

DuPont™ Vespel® SP-21 is graphite-enhanced with low-friction properties for use with or without lubrication in various applications. Vespel® SP-21 has maximum physical strength, elongation, and toughness.

  • Low wear at high bearing PV’s
  • Low coefficient of friction
  • Long-term thermal stability
  • High stiffness
  • Low elongation
  • Outstanding performance with or without lubrication
  • Good strength and impact resistance
  • High temperature electrical connectors
  • Bearing cages