... 80%, 85%, 88%,90%Size: 0--30mm or as customers requiredMoisture: less than 2.5%This graphite ... 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%, ... than 2.5%It is widely applied to battery carbon rod, steel and iron, casting material, refractory material, fuel ...