Niobium carbide powder

Uses: Used for carbide cemented carbide additives, also used as purple artificial gemstones.
Nature: Molecular weight: 104.917. Green cubic crystal with metallic luster, sodium chloride type cubic crystal system, relative density
8.47, insoluble in hot and cold hydrochloric acid, nitric acid, sulfuric acid, soluble in a mixture of hot hydrofluoric acid and nitric acid. Stable at 1000~1100°C
It is rapidly oxidized to bismuth pentoxide at temperatures above 1100 °C. Carbide is easily melted in compounds such as titanium carbide, zirconium carbide, tungsten carbide, etc.