Chromatic 3D Materials

Chromatic 3D Materials is a Golden Valley, Minnesota additive manufacturing company that invented reactive extrusion additive manufacturing (RX-AM), a process that 3D prints industrial-strength thermoset polyurethane elastomers by chemical reaction rather than by melting. The company sells RX-Flow printers, its own liquid elastomer chemistry in Shore A 50-90, and printed rubber parts such as seals, gaskets, grommets, bladders and bellows. Founded in 2016 by materials scientist Dr. Cora Leibig, it serves more than 50 customers and also operates a facility in Selfkant, Germany and a propellant development site at Camp Ripley, Minnesota. It has raised roughly $10 million from venture investors, the NSF and other strategic backers.

Its reactive extrusion process cures liquid thermoset polyurethane as it leaves the printhead, so it needs no melting, lasers or post-processing and can print directly onto metal, textile, plastic or ceramic substrates - producing durable rubber parts that conventional thermoplastic 3D printing cannot make, without injection mold tooling.