Global Low Smoke Halogen Free Flame Retardant Agent Market By Type (Phosphorus Flame Retardant, Nitrogen Flame Retardant, Silicon Flame Retardant, and Aluminum-magnesium Flame Retardant), By Application (Electrical Appliances, and Automotive), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029