Facility
Umicore – Quapaw, Oklahoma Plant (US)
Operated by Umicore NV/SA →US · Oklahoma
40,000 sq ft Umicore germanium production facility in Quapaw, Ottawa County, Oklahoma (near the historic Tri-State mining district). Opened October 2010. Produces GeCl4, Ge metal, and GASIR chalcogenide glass IR lenses for US defense/infrared market. Key US domestic source of GeCl4 after China's December 2024 export ban made Chinese supply unavailable. Also recycles germanium from local scrap streams.
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