Iron Oxide Black Pigment Dye Fe3O4
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Super Fine Iron Oxide Black Pigment Dye Fe3O4 is also known as Magnetite, a mineral and one of the main iron ores. The chemical formula is Fe3O4, one of the oxides of iron. Magnetite is ferrimagnetic and is the most magnetic of all the naturally-occurring minerals on Earth. It can be used as a non-bleeding colorant for soaps and other cosmetic uses.