... matter <3% moisture <2% large quantity Natural Amorphous Graphite Grain CarburantWe produce amorphous graphite grain carburant of amorphous graphite mineral of ... graphite deposit in the world.fixed carbon (FC): 70%,75%,78%, 80%,83%, 85%grain size: 1-3mm,1-5mm, ... thermal and electrical conductivity. It is widely applied to battery carbon rod, steel and iron, casting material, refractory material, fuel ...