Norms

The main chemical composition (%)

Si

Al

C

S

P

%(min)

    %(max)

Ferro silicon 75#

75

0.5-1.0

0.15

0.02

0.04

75

1.5-2.0

0.20

0.02

0.04

Ferro silicon 72#

72

1.5

0.20

0.02

0.04

72

1.5-2.0

0.20

0.02

0.04

Ferro silicon 65#

65

2.0

0.20

0.02

0.04

Size (lump)

10-50mm, 50-100mm, 10-100mm, 50-150mm, 90%min,or at customer’s option;

Size (powder)

1-3mm, 2-4mm, 90%min, or at customer’s option;

packaging

In 1MT big bag;