Global Polystyrene Market By Type(General Purpose Polystyrene, High Impact Polystyrene, Expanded Polystyrene, Extruded Polystyrene, Others), By Form Type(Foams, Films, and Sheets, Injection Molding, Others), By Application(Rigid Packaging, Flexible Packaging, Seating, HVAC Insulation, Others), By End-Use Industry(Packaging, Electronics, Building & Construction, Consumer Goods & Appliances, Others), By Region and Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends, and Forecast 2024-2033