POLYIMIDE DIRECT-FORMED PARTS DuPont™ Vespel® SP-211 parts and shapes have a low coefficient of friction over a wide range of operating conditions. It exhibits low wear rates up to 300 °C (572 °F). SP-211 is a filled polymer.

POLYIMIDE ISOSTATIC SHAPES DuPont™ Vespel® SP-211 parts and shapes have a low coefficient of friction over a wide range of operating conditions. It exhibits low wear rates up to 300 °C (572 °F). SP-211 is a filled polymer.

POLYIMIDE DIRECT-FORMED PARTS DuPont™ Vespel® SP-22 parts and shapes provide low wear and friction for bearings, thrust washers, and dynamic seals. SP-22 is a filled polymer with a coefficient of thermal expansion similar to aluminum.

POLYIMIDE ISOSTATIC SHAPES DuPont™ Vespel® SP-22 parts and shapes provide low wear and friction for bearings, thrust washers, and dynamic seals. SP-22 is a filled polymer with a coefficient of thermal expansion similar to aluminum.

POLYIMIDE DIRECT-FORMED PARTS DuPont™ Vespel® SP-221 parts and shapes are specified for low wear applications in non-lubricated conditions against soft metals like aluminum, brass, bronze; bearings (bushings, washers, etc.) SP-221 is a filled polymer with a coefficient of thermal expansion similar to aluminum.

POLYIMIDE ISOSTATIC SHAPES DuPont™ Vespel® SP-3 parts and shapes are specified for seals and bearings in vacuum or dry environments. SP-3 is a filled polymer.

A New Dimensionally Stable Heat Resistant Polyimide Film