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
Highly temperature resistant
Light weight
Good thermal stability
Flame retardant
Chemical resistant
Wear resistant
Creep resistant
Good electrical properties
Dimensions: 12″ x 12″, 12″ x 24″, 24″ x 48″
Thickness: 0.030″ – 4″
Diameter: 0.187″ – 8″
Length: 38″
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Suppliers / Brands
Common Applications
Aerospace
Armored Vehicle
Automotive
Bearings and Bushings
Bus and Rail
Chemical Processing
Gaskets and Seals
Gears
Heavy Equipment
Machine Shops
Oil and Gas
Semiconductor and Electronics
Valves and Fittings
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.
