Grades

Distribution of particle size

Carbon content

Moisture

Tap density

Surface area

Iron content

D10(µm)

D50(µm)

D90(µm)

≥ %

≤ %

≥ g/ml

≤ m²/g

≤ ppm

SG12

≥8

11-13

≤19

99.95

0.1

0.9

7.5

50

SG15

≥9

14-16

≤26

99.95

0.1

1

6.8

50

SG17

≥10

16-18

≤29

99.95

0.1

1

6.5

50

SG18

≥11

17-19

≤31

99.95

0.1

1

6

50

SG20

≥12

19-23

≤35

99.95

0.1

0.98

5

50

SG25

≥14

24-28

≤39

99.95

0.1

0.95

4.5

50