... and iron, refractory material, electrode paste and other products.Natural Graphite PowderFixed carbon content: 75%, 80%, 85%,88%,90%Size: 200mesh, 325meshMoisture ... carbon rod, steel and iron, casting material, refractory material, fuel, paint, electrode paste and pencil, battery, graphite emulsion, preservative, graphite lubricant, smelting carburant, graphite ...