... ,whiteness 3,Good particle size distribution Product Details:Precipitated Barium Sulphate Purity:98%Grade Standard:Industrail GradeMolecular formular: BaSO4CAS: 7727-43 ... .Caution: guard against hooks ,tear and pollution ,and keep away from coloured goods for storage . Technical undex: ItemsGB/T2899-2008 Test ... .0<5um, % ≥60.099.52um, ≥25.098.6 Precipitated Barium Sulphate