... , ceramics, batteries, enamel, paint, coatings Barium Sulfate (BaSO4) Barium sulphate is white powder, the relative density is 4.0-4 ... property. It is the best choice of outdoor product .Barium sulphate can use as filler material in the paint ,coating . ... , stiffness,and wear resistant.3. in rubber industry , use barium sulphate can reduce the cost. Increase the product hardness ,abrasive resistance ...