Precipitated Barium Sulfate Use:1. As raw material for paints, printing ink, plastics, rubber and storage battery. 2. As surface smear for photographic paper and calendered paper; as sizing agent for textile industry. 3. As clarifying agent for glass products. 4. As protective material for radiation; also used for ceramics, enamel, perfumes and pigments. 5. As raw material for the making of other barium salts. Packing & Storage: In plastic woven bag lined with plastic; net wt. net wt. 25kgs/bag, stored in dry warehouse; no mixing with color articles; handle with are to protect packing. National Standard: GB/T2899—2002 Item/Details/Grade First qualityAssay (BaSO4)%98.0Whiteness %98.0pH-value7.0-9.0Sol.in water%0.20Iron (Fe)%0.004Moisture%0.20Oil absorption %15-25