Nylon 6 Civilian Yarn segmentation by application reveals three dominant end‑use clusters that together account for the full market volume. The Textile & Apparel cluster, representing roughly 55 % of total shipments, encompasses woven and knitted garments, sportswear, and home‑textile products where the polymer’s combination of abrasion resistance and dyeability drives demand. The Industrial Fabrics cluster, contributing about 30 % of the market, includes geotextiles, conveyor belts, filtration media, and protective coverings; here, the yarn’s high tensile strength and chemical stability are primary selection criteria. The Automotive cluster, estimated at 15 % of the market, supplies upholstery, airbags, and under‑hood components, leveraging the material’s low moisture absorption and flame‑retardant variants. These application slices are mutually exclusive in the current civilian context, and their relative weight directly shapes production planning, pricing dynamics, and capacity allocation across the supply chain. Nylon 6 Civilian Yarn segmentation thus reflects functional priorities across end‑users.