... can be widely applied to steel and iron, refractory material, electrode paste and other products. Sell Natural Graphite PowderFixed carbon content: 60%, 65%, 70%, 75 ... to battery carbon rod, steel and iron, casting material, refractory material, fuel, paint, electrode paste and pencil, battery, graphite emulsion, preservative, graphite lubricant, smelting carburant, graphite bearing and other ...