H.C. Starck acquired a minority stake in Sweden’s Metasphere Technology. The company has developed an innovative, proprietary technology for the production of spherical metal powders, a material in high demand in growth industries such as additive manufacturing. H.C. Starck and Metasphere Technology plan to build a new production line for spherical metal powders in Lulea, Sweden. The agreement secures H.C. Starck, which already produces special atomized metal powders for the additive manufacturing market, exclusive sales rights of the materials produced.