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: 4000℃.

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,value="25" tcsc="0" unitname="kg" w:st="on">25kg 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

Specification         

Cr203 :                 99%min         

Moisture:               0.3%max       

Water soluble matter:     0.3%max     

Covering Power         95%min

Oil absorption,g/100g:    15—25g

Particle Size:325 mesh passing through 99.7% min.