HBPA Epoxy Resin Market Size & Forecasts 2026-2035, By Segments (Physical Form, Application), Growth Opportunities, Innovation Landscape, Regulatory Shifts, Strategic Regional Insights (U.S., Japan, China, South Korea, UK, Germany, France), and Competitive Dynamics (Hexion, Olin Corporation, Kukdo Chemical, Nan Ya Plastics, Aditya Birla)