iOn™ is an engineering grade material that can be used in demanding applications where PLA and ABS fail due to shortcomings in mechanical, thermal, or chemical performance. Select iOn™ Nylon 6 Alloy when you want to create parts that focus on functionality, not just fit and finish. Manufactured in the USA from virgin resins selected specifically for 3D Printing. We use state-of-the-art resins, colorants, manufacturing technologies to give you the best possible printing experience.