... .density is small 3.mainly used in smelting,steelmaking,casting. 4.0.5--2 mm,1--3mm ,3 ... .density is small 3.mainly used in smelting,steelmaking,casting. 4.0.5--2 mm,1--3mm ,3 ... ,and it is mainly used in smelting,steelmaking and casting. Raw Material The ferro silicon granule takes the coke ... properties of materials and the use of effects. Product ParametersPlate Si FeSi75A74.0—80.0 FeSi75B74.0—80 ...