Uses of amorphous carbon FC: 60%,70%,75%,78%,80%,85% Moi: 3%max Size:0-5mm,1-8mm For iron and steel plant ... , casting etc.Sell Natural Graphite PowderFixed carbon content: 60%, 65%, 70%, 75%, 80%, 85%,88%,90%Size: 100mesh, 200mesh, 325meshMoisture: less than ... 2.5%It is widely applied to battery carbon rod, steel and iron ...