Ultem® Polyetherimide Characteristics
Ultem® is the ideal thermoplastic choice for demanding, high-heat applications. This polyetherimide material can withstand continuous operating temperatures of 340° F while maintaining strength and rigidity. It is easily fabricated and bonded and offers excellent chemical resistance and high dielectric strength.
Ultem® is the high-performance thermoplastic of choice for many aerospace, aircraft, medical and pharmaceutical applications, including medical components. It offers exceptional mechanical properties and exhibits natural flame resistance and extremely low smoke generation. Characteristics include:
- Heat, solvent and flame resistant
High dielectric strength and stability- Excellent mechanical properties
- Rigid and strong
- Exceptional resistance to environmental forces
See the chart below for more details on Ultem® material properties.
Applications for Ultem®
- Jet engine components
- Microwaves
- Medical components
- Manifolds
- Electronic/electrical insulators
Contact a Dielectric Manufacturing knowledge expert to discuss the use of Ultem polyetherimide for fabrication of your plastic parts. Call 800-367-9122 or email sales@dielectricmfg.com.
Polytherimide Material Properties
| Property | Metric | units | English | units | ||
|---|---|---|---|---|---|---|
| General | ||||||
| Density | 1.26e3 - 1.28e3 | kg/m^3 | 0.0455 - 0.0462 | lb/ft^3 | ||
| Mechanical | ||||||
| Yield Strength | 7.35e7 - 8.11e7 | Pa | 10.7 - 11.8 | ksi | ||
| Tensile Strength | 9.19e7 - 1.01e8 | Pa | 13.3 - 14.7 | ksi | ||
| Elongation | 0.558 - 0.645 | % strain | 55.8 - 64.5 | % strain | ||
| Hardness (Vickers) | 2.17e8 - 2.38e8 | Pa | 22.1 - 24.3 | HV | ||
| Impact Strength (notched) | 3.81e3 - 4.2e3 | J/m^2 | 1.81 - 2.0 | ft.lbf/in^2 | ||
| Fracture Toughness | 1.99e6 - 4.03e6 | Pa/m^0.5 | 1.81 - 3.67 | ksi/in^0.5 | ||
| Young's Modulus | 2.89e9 - 3.04e9 | Pa | 0.419 - 0.441 | 10^6 psi | ||
| Thermal | ||||||
| Max Service Temperature | 161 - 179 | °C | 322 - 354 | °F | ||
| Insulator or Conductor | Insulator | Insulator | ||||
| Specific Heat Capability | 1.47e3 - 1.53e3 | J/kg °C | 0.352 - 0.366 | BTU/lb. °F | ||
| Thermal Expansion Coefficient | 8.46e-5 - 1.01e-4 | strain/°C | 47 - 56 | µstrain/°F | ||
| Eco | ||||||
| CO2 Footprint | 6.93 - 7.66 | kg/kg | 6.93 - 7.66 | lb/lb | ||
| Recyclable | Yes | Yes |
