Supplier From
Libourne,
Gironde,
France
Item Data Item Data
proportion 4.8g/cm3 Fe2+ 23.85%
bulk 2.5g/cm3 Fe3+ 40-42%
Breaking rate 0.05% Fe3O4 4.45%
Wear rate 0.04% Al 0.17%
Hardness 7 S 0.26%
porosity 47% Ferrous iron 20-40%
Nonuniformity coefficient K80 1.8