... , and acid, excellent stability, moderate hardness, high luster, h Barium Sulphate Superfined Chemical formula: BaSO4Molecular Weight: 233.33Appearance: White powder, nonpoisonous ... : Used in the industry of advanced coatings, plastics, oil paint, printing ink, battery, rubber, glass, cosmetics, frictional materials, etc. Barium Sulphate Superfined