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Revision G, September 1, 2006

Complete Document

Plastic: Polyimide For Molded Rod, Bar, and Tube, Plaque, and Formed Parts

Includes all amendments and changes through Reaffirmation Notice , November 2016

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Product Details:

  • Revision: Revision G, September 1, 2006
  • Published Date: November 2016
  • Status: Active, Most Current
  • Document Language: English
  • Published By: SAE International (SAE)
  • Page Count: 7
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:


This specification covers a polyimide plastic in the form of isostatically molded rod, bar, and tube, unidirectionally molded plaque, and direct formed parts.


These products are used typically for bushings, bearings, seals, and thermal-electrical insulators requiring a combination of toughness, low coefficient of friction, low wear, low creep, and good solvent resistance, but usage is not limited to such applications. Each application should be considered separately. Polyimide covered by this specification has a service temperature range of cryogenic to 500 °F (260 °C). These materials have no observable glass transition temperature (Tg) or melt temperature (Tm).


Product is classified on the amount of filler used with the base polyimide polymer as follows:

Class 1 Unfilled

Class 2 15% ± 3 by weight graphite

Class 3 37% ± 3 by weight graphite

Class 4 15% ± 3 by weight graphite plus 10% ± 3 by weight polytetrafluoroethylene (PTFE)

Class 5 15% ± 3 by weight molybdenum disulfide

and by the process used to produce the product as follows:

Form M Isostatically molded rod, bar, and tube

Form P Unidirectional molded plaque

Form D Direct formed parts

The class and form of product supplied shall be as ordered by purchaser.

Safety - Hazardous Materials

While the materials, methods, applications, and processes described or referenced in this specification may involve the use of hazardous materials, this specification does not address the hazards which may be involved in such use. It is the sole responsibility of the user to ensure familiarity with the safe and proper use of any hazardous materials and to take necessary precautionary measures to ensure the health and safety of all personnel involved.
AIA/NAS Aerospace Standards