... .2 Chemical and physical parameter ItemValueFe2O3, wt%>74Cr2O3, wt%>7Graphite, wt%<3Other additives, wt%Define amountS, WT%<0.025Cl, wt%<0.01Dimension(diameter*L), mm6*(3 ... density, kg/L1.22Radial crushing strength, N/cm>250Abrasion loss, wt%<8 CO High Temperature Shift Catalyst