Barium sulphate 1.BaSO4 content:98%min 2.Whiteness>94 3.Offer ... to 6000mesh 4.25kg/bag or 1MT/bag Features(Barium sulphate) :White powder; non-toxic, odorless, nonflammable; not dissolve in water ... stable, not easily broken down.Barium sulfate(superfine) ItemUnitIndexFirst QualityQualifier1Barium sulphate content%≥98≥952S content%≤0.003 ≤0.0053Fe content%≤0 ...