About Us

Founded in 1987, Dunn Industries has been a critical supplier of thermoplastic tubes and solid cores for medical device manufacturers throughout the world. Our extruded tubes are used in prototype and production of advanced catheter shaft assemblies and minimally invasive device components. Our Catheter Core technology allows catheter manufacturers to retain exact lumen dimensions throughout production and assembly operations.

Our 16,000 square foot facility in New Hampshire manufactures both Catheter Cores and custom thermoplastic extrusions for customers around the world.



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