Niobium hmoov
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Zoo thiab pheej Niobium NB Metals 99.95% Niobium hmoov rau kev tsim tau HRNB WCM02
Niobium NB Hlau Hmoov
Niobium yog grey hlau, melting point 2468 ℃, boiling point 4742 ℃. Niobium yog ruaj khov nyob rau hauv chav tsev nyob rau hauv chav tsev sov, liab tsis kiag li nyob rau hauv cov pa oxidation.