Graphite Block 1.Size:we can make as customers request 2.F.C99.5,Ash 3.Good machine surface 4.Competitive price High Pure Graphite Block SIZE:300*100*50 300*100*40 300*100*30 100*100*200 100*100*150 60*60*200 Cold graphite iron material for chilling, cold iron instead of metal, it can better solve the cast steel, cast iron, cast copper, cast aluminum parts loose, shrinkage problems, and can ...