Global Specialty Silicones Market By Type (Thin Silicone Membranes , Silicone Rubbers , Silicone Surfactants , Silicone Textile Softeners , and Other), By Application (Textile , Chemical Manufacturing , Fertilizer , Agriculture , and Other), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029