Calcined anthracite coal/carbon addtive 1.F. C is 90% min 2.1-4mm,Low sulfur,Low ash 3.High absorptivity ... similarly obvious. Specifications: GradeChemical Composition(%)F.C.AshV.M.SMoisture%(min)%(max)1954.01.00.250.32944.81.20.30.33935.61 ... .50.30.8Size0.5-3mm,1-3mm,1-4mm,, 90%min,or at customer’s option;PackingIn 50kgs or 1MT big ...