Classification by type further refines the market taxonomy, separating nanofiber media into polymer‑based, ceramic‑based, metallic, and composite families, each with distinct performance attributes. Polymer‑based nanofibers, such as polyacrylonitrile (PAN) and polyvinylidene fluoride (PVDF), dominate with over 60 % of total sales due to their cost‑effectiveness, ease of electrospinning, and tunable surface chemistry. Ceramic‑based fibers, comprising alumina or silica matrices, capture roughly 15 % of the market, favored in high‑temperature or chemically aggressive environments where thermal stability is essential. Metallic nanofibers, typically stainless steel or nickel alloys, hold about 8 % share, offering exceptional mechanical strength for abrasive industrial streams. Composite structures—hybridizing polymers with inorganic particles or carbon nanomaterials—account for the remaining 17 %, delivering synergistic enhancements in permeability, durability, and antimicrobial activity. These type distinctions directly influence pricing, adoption rates, and application suitability across the overall Nano Fiber for Filtration market.