Polyimide shapes

  • 11-Jun-2011 02:12 EDT
Vespel_Part.jpg

Vespel SCP-5009 polyimide shapes from DuPont assist customers requiring extended part life in sealing and bearing applications, especially in nonlubricated, high-friction environments. Industries where the shapes offer substantial processing, performance, and metals replacement advantages include analytical instrumentation, aerospace, and energy and material handling. An example is a rotor seal used in analytical instrumentation for high-performance liquid chromatography, where traditional engineering plastics deteriorated quickly; the shapes have proven effective in this critical application. The shapes combine resistance to temperatures above 300°C, high compressive and mechanical strength, broad chemical resistance, and low coefficient of friction. They also are easy to machine to near metal-like tolerances from rods or bars.

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