Tantalum (Ta) is a dark blue-gray metal that is very heavy, ductile and hard and has high corrosion resistance Tantalum (Ta) is a dark blue-gray metal that is very heavy, ductile and hard and has high corrosion resistance. Tantalum is especially resistant to chemicals at temperatures below 150 °C and can only be dissolved with hydrofluouric acid. It has the fourth highest melting point of all metals and is able to form extremely thin and protective oxide layers for high-quality capacitors, making it an excellent material for lumps.
Tantalum Used in Chemical Industry Tantalum is an excellent corrosion resistance material. Its corrosion resistance is better than Zirconium and can be compared with glass.
Except fluorine, hydrofluoric acid, acidic solution containing fluoride ion, nordhausen acid and strong alkalis, tantalum can't rot in most media.
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