VESPEL SP-1 Sheet&Rod

Category: VESPEL

Quantity: In Stock


  • High-performance poly­imide mate­r­ial formed from resin
  • Does not melt
  • Can oper­ate con­tin­u­ously from cryo­genic tem­per­a­tures to 550°F, with excur­sions up to 900°F
  • Low wear, long life in severe environments
  • Dimen­sion­ally stable
  • Radiation-resistant
  • Extremely low outgassing
  • Rel­a­tively easy to machine
  • Avail­able in fives grades: Vespel SP-1 (unfilled base resin grade), Vespel SP-21 (15% graphic by weight added to the base resin for improved wear resis­tance), Vespel SP-22 (40% graphite by weight added for enhanced wear resis­tance, less fric­tion and improved dimen­sional sta­bil­ity), Vespel SP-211 (10% PTFE and 15% graphite by weight for the low­est coef­fi­cient of fric­tion), and Vespel SP-3 (15% molyb­de­num disul­fide lubricant-filled for wear and fric­tion resis­tance in vac­uum and other moisture-free envi­ron­ments in which graphite becomes abrasive).

Com­mon uses

  • Rotary seal rings
  • Thrust wash­ers and discs
  • Bush­ings
  • Flanged bear­ings
  • Printer wire guides
  • Wear strips
  • Wafer clamp­ing, pol­ish­ing and grind­ing rings
  • Vacuum pads

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