Polyetherimide supplier — inherent FR, serious heat

About Polyetherimide (PEI)

PEI combines high strength and stiffness, tight dimensional stability, inherent flame retardance with low smoke, and repeat steam-sterilizability. It is the standard for aircraft interiors, high-heat electrical parts, and reusable medical components (non-implant).

Grades we source

• Unfilled transparent grades
• Glass-filled (10-40%)
• Aircraft FST-compliant grades
• Food-contact / reusable-ware grades
• Machinable stock shapes

Common applications

• Aircraft interior components
• High-heat connectors and sockets
• Sterilizable trays and instrument parts
• Microwave and food-service ware
• Metal replacement under the hood

Typical properties

Property ranges are general guidance and vary by grade and supplier; our team confirms the exact spec and certification for your application.

Related materials: PEEK / PEK · Polysulfone / PPSU · Polyarylate · Fluoropolymers · all materials