... concentrated sulfuric acid.Product appearance: White powder.SpecificationItemIndexContent of Barium Sulfate(Calculated by Dry Basis),%≥98.5105·C Volatile matter, ... Water Soluble,%≤0.15Content of Iron(Fe),%≤0.001Whiteness,%≥97.0Oil Absorption,g/100g10.0-20.0Ph Value( ... : mainly used in powder coat industry, and the barium sulfate embodied characteristics such as narrow distribution of particle diameter, ...