... 72# ,65# ,45# or others as buyer's option2. Excellent deoxidizer 3. Used as deoxidizer in steel- ... and chemical industry6. Composition:Si ,Al, Ca ,Mn,Cr,S ,P ,CTechnology paraments: GradeChemicals Composition(%)SiAlCSP %(min) %( ... -100mm, 50-150mm, 90%min,or at customer’s option;Szie In Powder1-3mm, 2-4mm, 3- ... 10mm, 90%min, or at customer’s option;PackingIn 1MT big bag; bulk ferro silicon powder ...