ION PA6 ALLOY Ion PA6 Alloy has been formulated for superior printability and high-performance. Nylon is the industry standard go-to engineering-grade of thermoplastic across the globe thanks to its excellent mechanical, thermal, and chemical resistance properties. MADE IN THE USA We manufacture all of our filaments in our 68,000 ft² manufacturing facility (located in Grand Rapids, Michigan) using state-of-the-art equipment and processes. Our goal continues to be to make the most innovative filaments on the market – targeting difficult end-use applications.