Ultem 1000 / PEI Rods, Sheets

Material Name: Ultem 1000 / PEI natural 

Color: amber transprant

Molding Method: extrusion

Stock Shapes: rod / sheet

Cut to Size: available

Free Sample: available

Payment: T/T, VISA, MasterCard, Weaternunion, PayPal

For more Ultem plastics, please check Ultem 2300


Ultem 1000 / PEI Natural

PEI (Polyetherimide) which also known as ULTEM 1000, is an amorphous amber color plastic. This material demonstrates high stiffness, high mechanical strength, great machinability, and good dimensional stability. It also shows great electronic performance and is always used in the connector industry. Meanwhile the plastic also exhibits resistance against the high energy radiation.

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PEI natural


  • high dielectric strength
  • very good mehcanical strength 
  • high thermal capacity 
  • good dimensional stability 
  • good radiation resistance
  • easily machinable to tight tolerance


Chemical designation

PEI (Polyetherimide)


amber transprant


1,28 g/cm3   



  • telecom industry 
  • aotomotive technology 
  • aviation technology
  • medical industry 
  • mechanical engineering
  • semiconductor technology

Stock Shapes


Ultem 1000







amber transprant


Ultem 1000







amber transprant

Why Keward

Free sample & proofing

Keward provides a wide range of high performance engineering plastics and precise components. The customer satisfaction is the NO.1 thing for us. We can offer you the free sample and proofing to help you to accelerate your material selection process and your project.


Keward not only provide the standard sized semi-finished plastics but also offer the customized size. We fully understand your concern about saving costs, boosting project process and improving machining efficiency.

Technical support

Besides the wide range of high performance materials, one of the advantages of Keward is our knowledge and abundant application experience. We can give you the suggestion about material selection, application of products and so on.

Precision Machined Components

Machining is the efficient and economy way to produce the plastic components, especially for the small production runs. Meanwhile comparing to the injection molding, machined parts is more precise. Keward has 3-axis, 4-axis, 5-axis CNC milling center, CNC lathe, digital roughness tester, projector and other equipment. With these equipment and our abundant experience, the components we provide can meet your requirements.

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Quality management & assurance

Quality is one of the most important factors for our company. We using the advanced production process and the strictest quality management standard to make sure the best quality. Every material we produced has the unique batch number, these numbers could help to trace back directly in case of any problems.

Sufficient Stocks

To quick respond the custom’s requests, we have abundant stocked semi- finished materials no matter the natural or the modified type. With the highly efficient stock management, we ensure the large quantities or special demands are delivered in time.

Typical Components

Ultem Fixture
Ultem Fixture
Ultem Fluid Component
Ultem Fluid Component
Ultem Fixture
Ultem Fixture

Contact details

Yangling High-Tech Zone, ShaanXi Province, China



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