... 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, ... and pencil, battery, graphite emulsion, preservative, graphite lubricant, smelting carburant, graphite bearing and other products.More details pls contact us ...