PI (Polyimide), is an imidized material with a continuous use temperature range of up to 580° F (304° C). It is categorized as an extreme performance material, and offers excellent heat resistance, lubricity, dimensional stability, and chemical resistance.
Benefits of PI (Polyimide)
Highly temperature resistant
Light weight
Good thermal stability
Flame retardant
Chemical resistant
Wear resistant
Creep resistant
Good electrical properties
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Suppliers / Brands
Common Applications
Physical Properties
Units | ASTM Test | PI | |
---|---|---|---|
Tensile strength @ break @ 73°F | psi | D638 | 13,900 – 22,600 |
Flexural modulus @ 73°F | psi | D790 | 400,000 – 1,300,000 |
Izod impact (notched) | ft-lbs/in of notch | D256 | 0.79 – 1.6 |
Coefficient of linear thermal expansion (CLTE) | (in/in F) | D696 | 8.9E-6 to 3.2E-5 |
Water absorption – 24 hours – 1/8″ thick | 0.036 – 0.11% | D570 | 0.60 – 0.62 |
Deflection Temperature Under Load @ 264 psi | °F | D648 | 451 – 494 |
* Technical Data is provided courtesy of UL Prospector (www.ulprospector.com) and IAPD (www.IAPD.org).
Data is to be considered representative and is provided for guidance only. All product performance must be verified by the user under actual application conditions.