The Flame Retardant EPS segmentation by Application distinguishes four primary end‑use domains that collectively shape market dynamics. Construction accounts for the largest share, driven by stringent fire‑safety codes for building envelopes, roofing, and wall insulation, where the material’s lightweight and thermal performance are critical. Transportation follows, encompassing automotive, rail, and aerospace components that require both fire resistance and impact absorption; regulatory mandates for interior panels and under‑body shielding fuel demand growth. Industrial includes machinery enclosures, pipe insulation, and equipment casings, where flame retardancy mitigates fire‑hazard exposure in high‑temperature environments. Finally, Consumer Goods—such as electronic housings and appliance interiors—represents a smaller but expanding niche as manufacturers adopt stricter safety standards. Each segment contributes proportionally to the overall market size, with construction typically contributing the highest revenue share, while transportation and industrial provide steady incremental growth, and consumer goods adds diversification.