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PAI Gaskets & O Rings - Polyamidimide Seals

PAI is a thermoplastic plastic that features high strength and rigidity up to a temperature of 275 °C. Other advantages are its chemical and creep resistance as well as its capacity to withstand abrasion. These characteristics make it superbly suited for difficult operating conditions.

Material Properties of PAI Polyamide in Technical Applications

PAI requires special forming and post-curing to achieve its outstanding mechanical qualities. Freudenberg’s Fluid Power Automotive Lead Center in Findlay, Ohio, is one of the world’s few PAI foundries. Our engineers capitalized on the properties of PAI so metal components could be replaced in automotive applications. Freudenberg was a finalist in the “Society of Plastics Engineers Innovation Award” for its newly developed PAI thrust washer in 2014.

The thrust washer replaced a metal component in an eight-gear vehicle transmission. But PAI is not restricted to automotive applications. The thermoplastic is also used in airplanes, industrial machinery, electric motors and semiconductors, along with applications in the oil and gas industry.

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