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PEI (Polyetherimide / Ultem®)
PEI (Polyetherimide/Ultem) Sheets

PEI (Polyetherimide/Ultem) Sheets

PEI Sheets offer excellent heat resistance, high dielectric strength, and outstanding dimensional stability. Ideal for EV battery systems, electrical insulation, aerospace components, semiconductor equipment, and precision engineering applications.

Overview

PEI Sheets are premium engineering thermoplastic sheets designed for high-performance applications requiring exceptional thermal stability, mechanical strength, and electrical insulation. These sheets maintain their structural integrity and dimensional accuracy even under elevated temperatures and demanding operating conditions.

PEI sheets offer excellent flame resistance, low smoke generation, and superior dielectric properties, making them suitable for electrical and electronic applications where safety and reliability are critical. Their high strength-to-weight ratio and excellent machinability allow the production of precision components for EV battery systems, aerospace assemblies, semiconductor manufacturing equipment, and industrial automation systems.

With outstanding resistance to heat, hydrolysis, and a wide range of industrial chemicals, PEI sheets are widely used as an alternative to metals and conventional engineering plastics in demanding environments.

Applications

Technical Details

Common Use Cases

EV battery insulation components
Battery pack fixtures and supports
Electrical insulation barriers
Semiconductor processing equipment
Aerospace interior components
Medical equipment components

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