Precipitated barium sulfate is an amorphous white powder, slightly soluble in water and insoluble in acid. The solubility in water is only 0.0024g/100g water. It is soluble in hot concentrated sulfuric acid. Precipitated barium sulfate has the advantages of strong chemical inertness, good stability, acid resistance, alkali resistance, moderate hardness, high specific gravity, good whiteness, etc. It is used in Coating, Paint and Pigment Industry.