High carbon Isotropic Graphite Blocks Large sizes, small sizes, or specially manufacture as requested ISO 9002 ... Graphite Block, Rod, Round, Bar, Crucible, shaft &rotors. GradeAverage Grain size(mm)Min. Density(g/cm3)Specific Resistance(uq.m)Compressive Strength ... .80<=15653310004.511.555ZI-2D0.0201.80<=15804010004.611.560Normal Size:160 x 300x 550mm, 180 x 400 x 770mm, 400 ...