Global Antimony Oxide Market By Type (0.995 , 0.998 , and 0.999), By Application (Flame retardant , Catalyst in PET production , Activator in glass industry , Flocculant in Titanium Dioxide production , and Paints and Adhesives industries), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029