Alternative Designations: PolyEtherImide
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PEI (Ultem) is a thermoplastic polyimide. With a strong environmental resistance, this material is highly stiff and stable. It is rigid and retains its strength at high temperatures. It is resistant to heat and creep and has excellent electrical properties. It is flame retardant. It is typically used in engine components, temperature sensors, electronics and medical devices.
Hard • Strong with low moisture absorption • High dielectric strength and stiffness