Silicones in Howrah

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We are offering ferro silicon commodity : ferro silicon specifications : si : 70 � 75 % c : 0.20 / 0.15 % max al : 1.5 / 2 % max p : 0.03 % max s : 0.04 % max size : 10 � 50 mm (90 % min) or any other size as per customer�s request. more...