Segmentation by type further refines the CIPP market through material, liner, and curing‑method sub‑categories. Resin systems are divided into epoxy (high chemical resistance, premium pricing), polyester (cost‑effective, moderate performance), polyurethane (flexible, suited for bends), and acrylic (fast‑curing, used in low‑temperature environments); each resin class influences cost structure and project timelines. Liner formats include pre‑fabricated (factory‑produced, uniform quality, higher logistics cost) and on‑site fabricated (custom‑cut, lower inventory risk), affecting installation speed and labor intensity. Curing techniques consist of steam (traditional, energy‑intensive), hot‑water (lower temperature, suitable for sensitive environments), and ultraviolet (UV) curing (rapid, limited to thin‑wall applications). The relative adoption of these sub‑types varies by project scale and regulatory context, collectively determining the market’s technological composition and future growth pathways.