Polyetherimide (PEI)

The Advantages of Polyetherimide in Plastic Injection MoldingPolyetherimide Plastic Chemistry Set

The professionals at Retlaw Industries use a wide variety of plastic materials for our injection molding processes, and one of the most versatile plastics we use is Polyetherimide (PEI). Polyetherimide, also referred to as Ultem™, is a high-quality and inexpensive thermoplastic material used in many everyday applications since it is very easy to process. 

Some of the benefits of polyetherimide plastic include:

  • Heat resistance
  • Stiffness
  • Stability
  • Environmental resistance
  • Low smoke production
  • Low flammability

If you think polyetherimide plastic could be the right material for your manufactured parts, contact Retlaw Industries today to get a quote for your company.

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Polyetherimide Plastic Specifications (At Room Temperature)

Name Polyetherimide
Chemical Formula (C37H24O6N2)n
Melting Point (°C) ~225°C 
Tensile Strength ~17000 psi
Impact Strength ~0.5 ft-lb/in notched Izod 
Hardness Level (Rockwell) R125
Flexural Modulus ~20000 psi 

 

The Benefits of Polyetherimide Plastic in Everyday Life

Since the 1980s, corporations like GE have used Ultem™ in many different plastic applications, and today, polyetherimide is one of the most common plastics used for industrial and manufacturing purposes. Some common applications for polyetherimide, or Ultem™, include:

  • Medical components
  • Chemistry tools
  • Auto transmission components
  • Lamp sockets and lighting systems
  • Thermostat components
  • And much more

Polyetherimide has a high impact strength and does not catch on fire very easily, meaning it is often used for automotive, chemistry, and lighting applications. Polyetherimide’s strengths far outweigh its weaknesses, which is why many industries all over the world use it for a wide variety of applications.

When you need high-quality idler pulleys, adapters, rebar chairs, or custom parts manufactured with polyetherimide for your business, Retlaw Industries is the way to go. We provide businesses all over the United States with the best injection molded parts with the tightest tolerances and at the most affordable prices. 

Contact the polyetherimide plastic injection molders at Retlaw today to get a product quote. 
ABOUT US
For over 40 years, Retlaw has produced quality injection molding tools which has led us into thermoplastic injection molding for a wide variety of industries. With over 19 injection molding machines, decades of collective experience, and over 50,000 square feet under roof and room to expand, we are always ready for your new projects.
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