... .59%Fe2O3 0.26% 0.36% 1.00%H2O 0.10% 0.09% 0.08%Typical Physical Properties:Color BlackCrystal Form ... 107 ΩCMLinear expansion coefficient (900 oC a.10-6/oC) 4.4Split Sizes Available :20-0mm, 10-0mm, 8-5mm, 5-3mm, 3-1mm ... , 1-0mm,8/16mesh, 16/30mesh, 30/60mesh, 60 ...