Metallurgical test work has confirmed Castle Minerals' (ASX: CDT) Kambale project in Ghana can produce a commercial-spec fine-flake graphite concentrate grading 95.1% TGC using conventional methods — a key milestone as a bulk sample heads to Germany for battery-anode testing and the company drives towards a scoping study.

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Castle building with high-grade graphite concentratesCastle Minerals says testwork on graphite samples from its Kambale project has produced commercial-standard specification grade for bulk fine-flake graphite concentrate grading 95.1 per cent TGC. https://thewest.com.au/business/bulls-n-bears/castle-building-with-high-grade-graphite-concentrates-c-11937229