... : Fe2O3Molecular weight: 159.69Appearance :Red,yellow,black powder Specification: ProductTypeFe2O3 (%)Oil absorption (ml/100g)Res. on 325 mesh (%)Water sol. Salts ... , including anti-rust paint, water-soluble indoor/outdoor paints and oil-based paints. 2) Used for dyeing construction materials, such as mosaic ...