High quality Ferro Silicon with low aluminium and

Features:The appearance of Ferro Silicon is the grey lumpish solid. It has very strong stabilities and does not place any chemical reaction in the dry air.Application:It is used extensively in the steel-making, casting non-ferrous metals and other industrial production; It is the good deoxidizer and most steel kind use the Ferro Silicon for Deoxidization;In steel smelting, it is used to sedimentary accretion and expanding deoxidizing; It is used to prove the strength, hardness and elasticity of steel greatly in steel casting.Specifications:GradesChemicals CompositionSiAlCSP%(min) %(max)72#721.50.200.030.04722.00.200.030.04Size In Lump10-50mm, 50-100mm, 10-100mm, 50-150mm, 90%min,or at customer's option;Szie In Powder1-3mm, 2-4mm, 90%min, or at customer's option;PackingIn 1MT big bag,or at customer's option;