graphite powder factory Good quality,competitive price Fixed carbon content: 70, 75, 80, 83, 85,88,90 size:100,200,325mesh natural amorphous graphite powderFixed carbon content: 70, 75, 80, 83, 85, 88, 90%size: 100mesh, 200mesh, 325meshSulphur: less than 0.1%Moisture: less than 2% It is widely applied to battery carbon rod, steel and iron, casting material, refractory material, fuel, paint, ...