1.GOOD QUANLITY AND BEST PRICE ! 2.Usage : Construction, Coating and Paint, Ink, Rubber, Plastic, etc. Item Iron Oxide Red 130Iron oxide Red 190Iron oxide Brown 610Iron Oxide Black 780Iron oxide Yellow 313Iron Oxide BlueFe2O3/Fe3O4≥%9695929386 105°C Moisture ≤%1.01.01.01.01.01.0Water soluble salts ≤%0.30.30.50.50.30.5Residue on 45um ≤%0.20.200.300.30.30.3PH-value3.5-83.5-84-75-83.5-7 Oil ...