PEI (Polyetherimide) is an amorphous engineering thermoplastic offering exceptional mechanical, thermal and electrical properties. It can be easily machined with conventional metalworking tools, and can be painted, hot stamped, printed or metallized.
Benefits of PEI (ULTEM™)
Excellent dimensional stability
Good UV and hydrolysis resistance
Transparent to visible infrared and microwave radiation
Inherent flame retardancy
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Duratron®
TECAPEI
MECHETEC®
SUSTAPEI
Common Applications
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Aerospace
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Automotive
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Bearings and Bushings
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Chemical Processing
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Food and Beverage Preparation and Processing
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Gaskets and Seals
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Gears
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Healthcare / Medical
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Heavy Equipment
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Machine Shops
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Milling and Mining
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Oil and Gas
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Packaging and Conveying Equipment
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Semiconductor and Electronics
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Sterilization Trays
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Thermoformers
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Valves and Fittings
Aerospace
Automotive
Bearings and Bushings
Chemical Processing
Food and Beverage Preparation and Processing
Gaskets and Seals
Gears
Healthcare / Medical
Heavy Equipment
Machine Shops
Milling and Mining
Oil and Gas
Packaging and Conveying Equipment
Semiconductor and Electronics
Sterilization Trays
Thermoformers
Valves and Fittings
Physical Properties
| Units | ASTM Test | PEI | |
|---|---|---|---|
| Tensile strength @ break @ 73°F | psi | D638 | 10700 – 15600 |
| Flexural modulus @ 73°F | psi | D790 | 16700 – 25700 |
| Izod impact (notched) | ft-lbs/in of notch | D256 | 0.38 – 1.4 |
| Water absorption @ 73°F – 24 hours | % | D570 | 0.25 – 0.27 |
| Coefficient of linear thermal expansion (CLTE) | (in/in F) | D696 | 3.0E-5 to 3.1E-5 |
| Coefficient of friction | D1894 | 0.23 – 0.30 | |
| Taber Abrasion Resistance | mg | D1044 | 9.25 – 10.7 |
| Deflection Temperature Under Load @ 264 psi | °F | D648 | 385 – 446 |
* 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.
