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Duratron® PAI - polyamidimid

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Other material names PAI: PAI
Material group: 
Special plastics

Duratron PAI is the highest performing, melt processable plastic. It has superior resistance to elevated temperatures. It is capable of performing under severe stress conditions at continuous temperatures to 260°C. Parts machined from Duratron stock shapes provide greater compressive strength and higher impact resistance than most advanced engineering plastics.

Duratron PAI's extremely low coefficient of linear thermal expansion and high creep resistance deliver excellent dimensional stability over its entire service range. Duratron PAI is an amorphous material with a Tg (glass transition temperature) of 280°C.

For large shapes or custom geometries like tubular bar, compression molded Duratron PAI shapes offer designers the greatest economy and flexibility. Another benefit of selecting a compression molded grade is that resins are cured, or "imidized" prior to molding which eliminates the need to post-cure shapes or parts fabricated from compression molded shapes.


Color ocher-yellow, black.

Typical applications: 
  • High Temperature Electrical Connectors
  • low expansion rate and excellent wear resistance enable manufacturers to increase bearing speeds and extend part life
  • extraordinary compressive strength and abrasion resistance permit higher production rates, longer part life, and increased support of aluminum cans during printing
The material is used in: 
Electrotechnical industry
Automobile industry
Chemical industry
  • Maintains strength and stiffness to 260°C
  • Minimal expansion rate to 260°C
  • Excellent wear resistance in bearing grades
  • Able to endure harsh thermal, chemical and stress conditions
Material availability: 
Material in stock at the manufacturer
Some trade names of the material
Torlon® PAI, Duratron® PAI
Trade names unprotected reg. mark: