The Huntsman Corporation continues to invest in its 3D-printing platform Iroprint, partnering with precision stereolithography (SLA) 3D printing firm and polyurethane provider DWS to produce a new rubber-like material for footwear, dubbed the Iroprint R 1801 resin. The new, polyurethane-based resin is “soft, flexible and easy to print,” Huntsman, a chemical manufacturer, said. A combination of…