Iron Oxide Black(ISO Certification). 1.delivery:7-15 days after the deposit. 2.price:$620-$990/MT 3.packaging;25 kg woven bag Iron Oxide Black Iron Oxide Black Could widely be used in Construction,Coating & Paint,Ink,Rubber,Plastic etc.Product name: Iron Oxide BlackMolecular Formula:Fe3O4Appearance :Red,yellow,black powderSpecifications:ItemsRed110Red130Red190Yellow311Yellow313Black780Content ≥% ...