Uses of amorphous carbon FC: 60%,70%,75%,78%,80%,85% Moi: 3% ... : less than 2.5%It is normally used as carbon additives in iron and steel field, casting etc.Sell ... Natural Graphite PowderFixed carbon content: 60%, 65%, 70%, 75%, 80%, 85%,88%,90 ... : less than 2.5%It is widely applied to battery carbon rod, steel and iron, casting material, refractory material, fuel, ...