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.
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Excellent dimensional stability
Good UV and hydrolysis resistance
Transparent to visible infrared and microwave radiation
Inherent flame retardancy
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 |
| Deflection Temperature Under Load @ 264 psi | °F | D648 | 385 – 446 |
| Water absorption @ 73°F – 24 hours | % | D570 | 0.25 – 0.27 |
| Compressive strength | psi | D695 | 102 – 22600 |
| 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 |
Suppliers / Brands
Ensinger
Polymer Industries
Rochling
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