Global Barium Sulfate Market By Type (Precipitated Barium Sulfate (D50>0)5μm, and Ultra - fine Precipitated Barium Sulfate (D50≤0)5μm)), By Application (Paints and Coating Industry, Plastic Industry, Rubber Industry, and Ink Industry), By Region and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2019-2028