Segmentation by type isolates the market into four core fiber families: Meta‑aramid, Para‑aramid, Modacrylic, and PBI (Polybenzimidazole). Meta‑aramid fibers, exemplified by Nomex®, dominate due to their inherent flame‑resistance, low heat conductivity, and durability, making them the preferred choice across most high‑risk sectors. Para‑aramid fibers, such as Kevlar®, offer higher tensile strength and are increasingly integrated into hybrid yarns for applications demanding both cut resistance and flame retardancy, thereby expanding their market contribution. Modacrylic fibers, while less heat‑resistant than aramids, provide cost‑effective solutions for lower‑intensity hazards and are widely adopted in disposable or lightweight PPE, supporting a notable share of volume‑driven demand. PBI fibers, distinguished by exceptional thermal stability and self‑extinguishing properties, occupy a premium niche, primarily in aerospace and specialized industrial settings where performance outweighs cost considerations. The relative weighting of these types directly influences the market’s revenue composition, with meta‑aramid leading the valuation hierarchy.