The Fire Retardant Finishing Agent segmentation by application delineates five primary end‑use categories that collectively shape market volume. Textile & Apparel (≈35 %) dominates due to stringent safety standards for indoor fabrics, upholstery, and protective clothing, driving extensive demand for solvent‑based and water‑borne agents. Construction & Building Materials (≈30 %) follows, propelled by building codes mandating fire‑resistant coatings on drywall, wood panels, and structural steel. Automotive & Transportation (≈20 %) contributes significantly as manufacturers integrate flame‑retardant finishes on interior plastics, seat fabrics, and under‑body components to meet crash‑safety regulations. Electronics & Electrical (≈10 %) reflects the need for flame‑suppressive coatings on circuit boards, casings, and wiring harnesses, where miniaturization intensifies fire risk. The residual Other Industrial segment (≈5 %) aggregates niche uses such as aerospace composites and marine applications. Each sub‑segment’s proportional share translates directly into revenue allocation, providing a quantitative foundation for strategic investment and capacity planning.