there are two specifications with high sulphur and low sulphur:

ASH: 1% MAX   F.C 98% MIN     S2% MAX    V.M:1.5% MAX    MOI:5% MAX        CALARIFIC VALUE:7800KCAL/KG

ASH: 4% MAX   F.C 95% MIN     S0.6% MAX    V.M:1% MAX    MOI:5% MAX        CALARIFIC VALUE:8000KCAL/KG

mpregnated and graphitized cathode carbon block