1.FC:98.5% min 2.S :0.5%max 3.Ash:0.7%max 4.V.M.:0.8%max 5.Size:0.5-8mm Carbon additiveF.C(Min) 98.50% 98.50%98.00%S(Max) 0.50% 0.50%0.50%ASH(Max) 0.50% 0.80%0.80%V.M(Max) 0.50% 0.70%0.70%H2O(Max) 0.50% 0.50%0.50%Size:0.5-1mm,1-5mm,5-10mm,3-8mm,ect. Good quality Carbon additive for steelmaking carburizer