Iron oxide stands for:
Rust, mixture of various iron oxides
Collective term for various pigments, see iron oxide pigment
Iron(III) oxide, Fe2O3
Iron(II,III) oxide, Fe3O4
Iron(II) oxide, FeO
Iron(I) oxide, Fe2O
Iron oxide black is also known as magnetite. It is attracted by magnets.
Iron oxide green is also known as chromium oxide Cr2O3.
Iron oxides are ideal for colouring concrete and plaster.
Of course, the oxides are also suitable for colouring other materials such as epoxy resin, glue, bark mulch, plaster, oil, ceramics, plastic, rubber, water glass, emulsion paints, fillers, glue, ect...
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