Ferro silicon 70-74%ï¼in stock
AL 3% max,
C 0.3%
P 0.03%
S 0.04%.
Size:10-100mm 90% min.
Ferro Silicon 63-67% in stock
Si 63-67%,
Al 3.5%max,
C 0.2%max,
P 0.04%max,
S 0.02%max
Size : 10-100mm, 90%min
Packaging: In 1mt big bag
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