Man hetit Fe3O4 Black
Fe3O4 : = 50.0%SIO2 : ≤ 7.0%AL2O3 : ≤ 15 %S : ≤ 0,5 %P : ≤ 0,6 %Size 0-8mm
Natural Iron Oxide Yellow 55%
Stone Iron Oxide Red Dark Fe2O3 86%Fe2O3 Iron Oxide 85%
Specification: natural iron oxide
95%-97%