PES Resin

PES Resin Characteristics & Uses

PES Resin Applications:

Plastic Molded Concepts can use PES 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.

PES Resin Material Data Sheet

Chemical NamePolyether Sulphone
StrengthVery Tough
Specific Gravity1.37
Shrinkage0.67% to 0.75%
Melting Point446°F
Deflection Temperature399°-417°F
Service Temperature374°F
ApplicationsPES resin is commonly used for applications such as:

  • High Temperature Metal Replacement

  • Medical

  • Automotive

  • Electrical

AdvantagesPolyether Sulfone is a thermoplastic polymer similar to PSU. It is very tough and exhibits exceptional stability at high temperatures. Other PES resin advantages include:

  • High Strength

  • Low Moisture Absorption

  • Very High Surface Temperature Limits

  • Low Creep

  • Good Electrical Characteristics

  • Self-Extinguishing Ability

  • Resistant to Common Greases, Many Solvents & Chemicals

  • Good Transparency

  • Exceptional Stability at High Temperatures

  • Chemical & Heat Resistant


    • Attacked by Some Solvents

    • Poor Weatherability

    • Subject to Stress Cracking

    • Difficult to Process

    • High Cost