... coke Professional manufacturer in china Item No (max)Fixed Carbon(min) (max)Sulfur(max)Ash(max)V.MMoistureGrain size ... iron, or use no Scrap iron at all, Duratight carbon additive has follows properties: high absorptive character, no residue ... Ductile iron foundry2,Characteristicahigh carbon, low sulfur, with stable effect for improving the carbon content, high absorptivity of carbon.3,apply Used ...