Global Mixed Xylene Market By Type (Solvent Grade, And Isomer Grade), By Application (Used As A Solvent And Raw Material Of Paraxylene, Used As A Solvent In The Printing, Rubber, Leather Industries And Aviation Gasoline Additive, Used In The Production Of Polymers, And Used As A Cleaning Agent For Steel), By Region And Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends And Forecast 2019-2028