ULTEM® is an amorphous high-performance plastic product that is used for medical and chemical instrumentation applications. It is also known as PEI, or polyetherimide, ULTEM’s® chemical name.
At thyssenkrupp Engineered Plastics / Online Plastics® we carry ULTEM® stock shapes from the top US plastics extruders including Ensinger, Rochling, and Quadrant EPP. The total length of ULTEM® rod can vary from 48, 60, 96 to 120 inches, depending on the manufacturer. However, all grades are available in lengths up to 120". If you need a shorter length be sure to let us know. We will cut to size.

Our ULTEM® PEI Products

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We invite you to shop our selection of materials and to call us toll-free with any questions at 877-246-7700. We are open Monday - Friday from 8:00 AM to 5:00 PM EST. You may skip add to cart steps and complete the request a quote form directly!