... 5% 4.Reasonable price 5.SGS certificate CPC calcined petroleum cokeCharacteristics: high carbon, low sulfur, few harmful ingredients, high absorptivity of carbon, ... such as America, Australia, India, Iran, Russia etc CPC calcined petroleum coke Specifications: Fixed carbon %Sulphur %Ash %V.M %Realdensity g/ ... 450-550 ≤ 0.05 0.5-50 CPC calcined petroleum coke with low sulfur high fixed carbon