Items

Unit

Standard

Typical

F.S.S.S.

μm

0.6-1.0

0.8

Apparent density

g/cc

0.5-1.2

0.8

Tap density

g/cc

1.2-2.4

1.9

Scott density

g/cc

0.6-1.4

0.9

Sieve

mesh

-400

99%

D10

μm

-

2.33

D50

μm

-

2.90

D90

μm

-

3.34

Chemical Index

Co*

%

≥ 99.80

99.86

O

%

≤ 0.8000

0.4300

C

%

≤ 0.0300

0.0180

S

%

≤ 0.0050

0.0008

Ni

%

≤ 0.0080

0.0015

Fe

%

≤ 0.0080

0.0030

Mn

%

≤ 0.0080

0.0010

Cu

%

≤ 0.0080

0.0005

Pb

%

≤ 0.0080

0.0008

Zn

%

≤ 0.0080

0.0002

Si

%

≤ 0.0080

0.0010

Ca

%

≤ 0.0080

0.0016

Mg

%

≤ 0.0080

0.0007

Na

%

≤ 0.0080

0.0010

Al

%

≤ 0.0050

0.0006

Cr

%

≤ 0.0010

0.0001

Cd

%

≤ 0.0010

0.0001

Remark:Co*-Oxygen content not included;