... ,5-10mm, 5-15mm, ect. Graphite PowderF.C (Min)98.5%98% S (Max)0.05%0.05% ASH (Max)0 ... ,20-200mesh,ect. Graphitized Petroleum CokeF.C (Min)99%98.5%98%S (Max)0.05%0.05%0.05%ASH ... ,3-8mm,ect. Calcined Petroleum CokeF.C (Min)98.5%98.5%98%S (Max)0.5%0.5%0.5%ASH ... ect. Graphite Electrode ScrapeF.C (Min)99.2%99%98.5%98%S (Max)0.04%0.05%0.05%0. ... 5-15,ect. Carbon Raiser F.C (Min)96%95%94%93%90%Ash(Max)3%3.5%4.5%5.5% ...