Vespel ® Polyimide
The Industry's Largest &
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Vespel ® is a polyimide material manufactured only by DuPont. Vespel ® is one of the highest performing engineering plastics currently available. It will not melt and vespel ® can operate continuously from cryogenic temperatures to 550°F (288°C), with excursions to 900°F (482°C). Vespel ® parts consistently exhibit superior performance in a variety of applications requiring low wear and long life in severe environments.
Vespel properties include excellent temperature resistance, high wear resistance (especially SP-21), dimensional stability, radiation resistance, extremely low outgassing, and good machinability. Vespel ® is typically used to manufacture rotary seal rings, thrust washers and discs, bushings, plungers, wear strips, and thermal and electrical insulators.
Vespel ® is available in a variety of shapes and sizes, including Vespel sheets or plaques, Vespel discs, Vespel rods and Vespel tubes of various thicknesses and diameters. Vespel ® is manufactured as unfilled (SP-1), bearing (SP-21, SP-22, SP-211), lubricant-filled (SP-3), and other specialty grades. See our datasheet or call us for more information!
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