PEI Resin

PEI Resin Characteristics & Uses

PEI Resin Applications:

Plastic Molded Concepts can use PEI Resin for a wide variety of molding services, including: 

At PMC, we take pride in our expertise and also provide Mold Design Services & Consultations. Whether you need molds designed, or assistance in choosing the appropriate resin, our team is here to provide you with the necessary guidance and support.

Don’t let the complexities of resin selection hinder your project. Reach out to our dedicated team by clicking on the Contact Us button below for additional help in determining the precise engineering resin needed for your application.

If you have already identified the resin you require, save time by directly requesting a personalized quote. Simply Request a Quote and we’ll quickly respond with a comprehensive estimate tailored to your project’s specific needs.

With PMC, you’ll benefit from our wealth of knowledge and experience in resin selection and mold design, ensuring that your project proceeds smoothly and successfully.

Please Note: PMC does not sell the materials on this page. We only use the material list to inform visitors that we are experienced in processing these materials for many fine products.

PEI Resin Material Data Sheet

Chemical NamePolyetheretherketone
Specific Gravity1.27
Melting Point424°F-464°F
Deflection Temperature392°F-446°F
Service Temperature338°F
ApplicationsPEI resin is ideal for applications that require high physical strength, high temperature stability, excellent electrical insulation properties, and where flame retardance is needed. Some common applications for PEI resin include:

  • Automotive Exterior

  • Automotive Interior

  • Appliance Housings

  • Bearings

  • Metal Replacements/Alternatives

  • Medical Devices


  • Cost-Effective PEEK Alternative

  • Heat Resistant

  • Low Coefficient of Thermal Expansion


  • Lower Impact Strength than PEEK

  • Notch-Sensitive

  • High Processing Temperatures Required

  • Attacked by Strong Bases & Partially Halogenated Solvents

  • Limited Colorability