Low sulfur , low ash steelmaking carburant. F.C. Content:99% High purity carbon. Good absorptivity . Low sulfur , low ash steelmaking carburant Steelmaking carburant F.C(Min)99.90%99%98.50%S(Max) ... content , low sulfur , low ash , low resistance etc . It can be used as carbon raiser (Recarburizer) to produce high quality steel , cast iron and alloy . Low sulfur low ash steelmaking carburant 1-5mm