1.good quality 2.Low sulfur: 1.2% max 3.High fixed carbon: 98.5% 4.Reasonable price 5.SGS certificate CPC ... , prefect conductivity.Grain size: normal size: 0.3-3mm,1-4mm, 1-3mm, 3-5mm,3-8mm,5-10mm or as per customer ... America, Australia, India, Iran, Russia etc CPC carbon additive Specifications: Fixed carbon %Sulphur %Ash %V.M %Realdensity g/m3Electrical resistivity ΩMoisture ...