SMC and BMC Market Size & Forecasts 2026-2035, By Segments (Substrate, Manufacturing Process, Packaging, Application, Component), Growth Opportunities, Innovation Landscape, Regulatory Shifts, Strategic Regional Insights (U.S., Japan, China, South Korea, UK, Germany, France), and Competitive Dynamics (Owens Corning, Johns Manville, Saint-Gobain, Knauf Insulation, CertainTeed)