... : 3%max Size:0-5mm,1-8mm For iron and steel plant, foundry Iron powder scrapSell Natural Graphite GrainsCarbon content: 60%,65 ... 2.5%This graphite grains can be widely applied to steel and iron, refractory material, electrode paste and other products. Sell ... 2.5%It is widely applied to battery carbon rod, steel and iron, casting material, refractory material, fuel, paint, electrode paste ...