Superfine Nb niobium powder is gray metal, melting point 2468 ℃, boiling point 4742 ℃, the density.Niobium stable in air at room
temperature, the red is not be completely in the oxygen oxidation, high temperature directlycombined with sulfur, nitrogen, carbon,
can form with titanium, zirconium, hafnium, tungsten alloy.Not withinorganic acid or alkali, not soluble in aqua regia, but soluble in
hydrofluoric acid. Application:
Widely used in the production of microwave absorbing materials, metal powder injection molding material technology field,
all kinds of super hard material and powder metallurgy products additivesetc.