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Dupont Vespel Product Catalog

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Vespel SP21 - If insulation is less important than low-friction properties, then you're looking for graphite-enhanced SP-21. Automotive engineers love to use SP-21 for parts like thrust washers, bearings and seals - because the low-friction properties mean they work with or without lubrication.

Superior wear and low-friction properties for:

  • Thrust washers
  • Seal rings
  • Valve seats
  • Bearings
  • Seals

Benefits

  • Low wear at high bearing PVs
  • Low coefficient of friction
  • Long-term thermal stability
  • High stiffness
  • Low elongation
  • Outstanding performance with or without lubrication
  • Good strength and impact resistance

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