... 5% Max Moisture:0.5% Max Ash:0.5% Max We produce graphitized petroleum coke , it’s high quality recarburizer . It is ... high content of carbon , while low sulfur and ash . It is ... Size:0.5-1mm,1-5mm,5-10mm,10-20mm,ect.It is made from ... As a high-purity carbon material , it has characteristics of high fixed carbon content ...