... is also called artificial graphite scraps, characterized by high carbon, low sulfur, low nitrogen, causing very few or no slag in the furnace ... Petroleum Coke( Artificial Graphite/synthetic graphite)Index1(1-5mm)2(1-5mm)3(1-5mm)4(1-5mm)5(1-5mm)6(0.2 ... %Sulfur (Max)0.2%0.3%Nitrogen(Max) 500 ppm600 ppmASH (Max)2%5%V.M(Max)0.7%0.8%H2O(Max)0.5%0.5%Size:0-0.2, 0.2-1, 0 ...