Niobium Powder
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Good And Cheap Niobium Nb Metals 99.95% Niobium Powder For Producing HRNB WCM02
Niobium Nb Metal Powder
Niobium is gray metal, melting point 2468 ℃, boiling point 4742 ℃. Niobium is stable in air at room temperature, the red is not completely in the oxygen oxidation.