It is a grey powder , Apparent density：2.3-2.7g/cm3, the specification is as below:

Cr3C2: Cr:85-87, C:12.5-13.5%, Si:0.3%max, Fe:0.5%max, S:0.01%max, P:0.02%max

Size: -60mesh or -300mesh

Cr7C3: Cr:88-90%, C:9-11%, Fe:0.5%max, Si:0.3%max, S:0.01%max, P:0.02%max,

Size:-60mesh, -300mesh