Types segmentation distinguishes TGIC products by chemical purity and functional modification, each influencing market dynamics. The primary subtype, high‑purity TGIC, with ≥99 % epoxy equivalent weight, commands the premium price tier and is preferred in high‑performance coatings, contributing the majority of value despite a lower volume share. Modified TGIC, wherein the molecule is partially reacted with aliphatic or aromatic compounds, offers tailored reactivity and lower viscosity; this subtype captures roughly 35 % of total volume, serving composite and adhesive markets that demand processing flexibility. A secondary subtype, reactive TGIC blends, combines TGIC with auxiliary curing agents such as cycloaliphatic epoxy to fine‑tune gel time and pot life; these blends occupy about 20 % of the market, primarily in electrical insulation where precise cure schedules are essential. Each type’s distinct performance profile determines its adoption rate, and together they shape the overall market taxonomy for Pure Polyester Curing Agent TGIC.