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 Cobalt Black OxideCommodity:  Cobalt Black OxideFormula: Co3O4Appearance:  Grey-black powderPhysical& chemical Quality:Co3O   ≥99.5Co 73-74   Ni  0.05     Fe  0.02      Cu  0.01     Mn  0.01    Zn  0.005  Ca  0.01   Mg  0.01     Na  0.01    AI  0.005   Si  0.02      S   0.005 Pb  0.003   C  0.01     K   0.005    As    0.005Tap density (g/cm3)  1.2-2.0Apparent Density(g/cm3) 0.6-1.2F.S.S.S(μ) 1.5-.03Sieve(mesh)   -400Uses: Mainly used in battery, also used as oxygenate and in making enamel.Packing: Iron drum with inner 2-fokd plastic bags, 25kg net each drum.Note: Any special requirements can be decided through consultation.