Type

Fsss (μm)

Apparentg/cm3

O %

C %

GEM-1

≤1.00

0.400.80

≤0.60

≤0.05

GEM-2

1.01~2.50

0.501.10

≤0.40

≤0.03

NotePhysical Properties can be flexibly adjusted according to customers specific needing

Grade

Chemical Compositions

Ni≥

Impurities≤   ppm

Co

Cu

Fe

Ca

Mg

Pb

Zn

Cd

Mn

Na

Al

Li

Cr

Si

S

a

99.90

80

80

80

80

80

80

80

80

80

80

80

80

80

80

80

b

99.80

150

100

100

100

100

100

100

80

100

100

100

100

100

100

150

Note:1The content of nickel is calculated by the subtraction method;

2Level aMaximum Content Of Impurity ≤0.1%;  level b: Maximum Content Of Impurity ≤ 0.3%