AMG Critical Materials completed the acquisition of 40% stake in Graphit Kropfmuhl from Alterna Capital Partners.

AMG Critical Materials, a global company developing and producing advanced materials such as specialty metals, alloys, and high-performance materials, completed the acquisition of 40% stake in Graphit Kropfmuhl, a global supplier of high-purity natural graphite, operating its own mines and vertically integrated production facilities, from Alterna Capital Partners, a private equity firm. Financial terms were not disclosed.