Cobalt Powder   

Main Use: hard alloy, diamond-tool, battery material

Product Properties: gray powder, odorless, does not dissolve in water, dissolves in acid and the oxidable products.

Packing:

Internal packing: Vacuum packaging, each bag 1KG/5KG or according to customer demand;

External packing: Iron drum or cardboard drum, net weight 50KG.

Remarks:

1. In the table, the main content Co uses the weight percent difference subtraction for calculation, not including gaseous impurities;

2. The product specification sorts according to the differences of the physical properties;

3. The density may adjust according to needs within the certain scope.

Item		Standard Requirement(wt%)
Chemical Composition	Grade	Alloy cobalt powder	Chemical cobalt powder
	Co	≥99.50	≥99.80
	Ni	≤0.05	≤0.02
	Fe	≤0.005	≤0.005
	Na	≤0.005	≤0.005
	Ca	≤0.006	≤0.006
	Mg	≤0.003	≤0.003
	Cu	≤0.005	≤0.005
	Pb	≤0.005	≤0.005
	Si	≤0.005	≤0.005
	Mn	≤0.005	≤0.005
	S	≤0.005	≤0.005
	Zn	≤0.008	≤0.005
	C	≤0.02	≤0.02
	O	≤0.4	≤0.4
Physical Property	Average Size F.S.S.S(µm)	0.8-1.5,1.5-2.0
	Apparent Density(g/cm3)	0.4-1.0
	Tap Density(g/cm3)	0.5-1.2,0.7-2.0
	Appearance	Columnar or striatus	Spheroidal