Ultem
High-strength, flame-resistant polymer with excellent electrical insulation for aerospace and electronics.
PEI (Polyetherimide) is an amorphous, high-performance thermoplastic known for excellent mechanical strength, dimensional stability, and high heat resistance. It offers inherent flame resistance, good electrical properties, and chemical resistance. Commonly used in aerospace, medical, and electronics, PEI delivers reliable performance in high-temperature and demanding engineering applications.
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Capabilities
- Source and/or compound a variety of grades and formulations in different shapes.
- Ability to injection mould PEI in a variety of shapes.
- Fully equipped machine shop with 3,4, and 5-axis capabilities to create complex machined components.
- Dedicated lab to test key properties and dimensions.
Key Properties
- High Strength
- High Temperature Resistance
- Minimal Smoke Output
- Good Dimensional Stability
- Food Contact Safe
- Outstanding Electrical Properties
- Flame Resistance (94-V-0 flammability rating)
- Good Chemical Resistance
- Good Resistance to UV Light
- High Weatherability
- Good Hydrolytic Stability
- Creep Resistance
Limitations
- Brittle compared to other amorphous polymers;
- limited chemical resistance;
- expensive and difficult to machine.
Applications
- Medical devices
- Electrical Connectors
- Headlight Reflectors
- Bezels
- Air and Fuel Valves
- Semi Structural Aircraft Components
- Chemical Lab Equipment
- Bearings
