Global Thermo Gravimetric Analyzer Market By Type (Protable Thermo Gravimetric Analyzer, and Benchtop Thermo Gravimetric Analyzer), By Application (Plastics, Rubbers, Coatings, Pharmaceuticals, Inorganic Materials, Metal Materials and Composite Materials, and Others), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2019-2028