The Types segmentation classifies Thermosetting Polyimide products by formulation and performance grade, collectively representing the full market volume. Solvent‑based polyimides, comprising about 45 % of the market, are favored for coating and adhesive processes where viscosity control is critical. Solvent‑free variants, accounting for roughly 25 %, serve applications demanding low VOC emissions and rapid cure cycles, such as aerospace composites. High‑temperature grades, with a 20 % share, enable components operating above 300 °C, essential for electronics and turbine engines. Finally, radiation‑resistant polyimides contribute the remaining 10 %, meeting niche requirements in space and nuclear sectors where exposure to ionizing radiation degrades conventional polymers. Together, these type categories define the market taxonomy, illustrating how formulation choices directly influence adoption rates and overall market valuation.