الوصف

Cubic crystal with metallic luster.it can keep stable under a temperature of********0℃,above ***0℃ rapidly oxidized into niobium pentoxide,with high chemical stability ,high meilting point and high hardnesws .Widely used in high-temperature refractory materials and cemented carbide additives.

particle size:2.7um

chemical content:Ct:*1.*5% Cf:0.8% O≤0.1%

powder color: grey

shape of powder: irregular shape