coltan (25-35% ta205)
we sell coltan, a mix of tantalum and colombium also called nobium. Tantalum is a single conductor of heat and electricity, malleable and very easily corrosion resistant. Its industrial properties are very popular and this metal turns beneficial for ...
CALD Enterprises Ltd.
Hello We are looking for a buyer for coltan 30 tonnes grade 33-34% from DRC. The Mineral is in a Bonded warehouse in Mombasa with all documents including UN certificate. Asking price is Usd 95 per Kg. The price quoted is ex work at Mombasa Kenya ...