|
CO
|
62% min.
|
|
FE
|
0.002% max.
|
|
Ni
|
0.005% max.
|
|
MN
|
0.002% max.
|
|
Cu
|
0.002% max.
|
|
PB
|
0.005% max.
|
|
CA
|
0.005% max.
|
|
Na
|
0.003% max.
|
|
Mg
|
0.005% max.
|
|
Zn
|
0.002% max.
|
|
D50
|
0.1-0,5 um
|