The higher melting level and corrosion resistance of niobium gain the Vitality sector, specifically in severe environments: Spherical Niobium Powder Application Niobium could be the lightest refractory metal. It's the characteristics of higher melting level, superior-temperature strength and distinct toughness, and no radioactivity. It's the popular thermal security material and https://www.pinterest.com/pin/647814727681010404/