Product Character Chemical formula: Cr2O3, molecular weight 151.99. Dark green hexagonal crystal or amorphous olive-green powder with metallic sheen. Specific gravity: 5.21g/cm3, Mons' hardness: 8.5-9, melting point: 2226±25 degree celsius, boiling point: 4000â??. Insoluble in water or acid. Soluble in hot alkali metal bromate solution. Extremely stable against light, air, high temperature and corrosive gases. High covering power. Application Mainly used in smelting metallic chromium and chromium carbide, producing ceramic, grinding, polishing, coating, printing ink etc. Packaging [Packing]:In PP woven bag with PE bag inside,25kg net or 1000kg net. Notice Store in dry places, avoid moisture, acid mist and sunlight. It is forbidden to store with foodstuffs and acid product. [quality standard]: GB/T20785-2006 Item standard Cr203 99%min Moisture 0.3%max Water soluble matter 0.3%max Covering Power 95%min Oil absorption,g/100g 15-25g Cr+6 50ppm Particle Size 325 mesh passing through 99.7% min.
