DuPont™ Vespel® Polyimides for Aerospace Valve Seats and Seals

Widely used to increase the operating temperature range, improve reliability, and extend the service life of aerospace valves, this white paper describes the performance advantages of DuPont™ Vespel® and the benefits of specifying DuPont™ Vespel® for critical-service aerospace valve applications.

• Low rates of thermal expansion and contraction
• Moderate compressive modulus and ductile behavior throughout a broad temperature range
• Excellent resistance to creep and stress relaxation
• Grades available with low to moderate coefficients of friction
• Grades available for use in vacuum sealing application

Curbell Plastics is the only authorized distributor of Authentic DuPont™ Vespel® polyimide shapes (rod, plaque, bar, balls) in the Western United States.