Investment Rating - The investment rating for the industry is "Positive" and maintained [7] Core Insights - The PEEK material industry chain includes three main processes: polymerization, purification, and modification, with polymerization being the core process [2][15] - PEEK materials are widely used in aerospace, automotive, and medical device industries due to their excellent high-temperature resistance, chemical stability, mechanical properties, and wear resistance [15][39] - The complexity of the synthesis process and the high technical barriers involved in PEEK production create significant challenges for new entrants in the market [23][49] Summary by Sections PEEK Material Production - The production of PEEK involves polymerization, purification, and modification processes, with polymerization being the most critical step [4][16] - The polymerization process requires precise control of temperature (280°C-340°C) and time (8-12 hours), with high demands on equipment and material ratios [4][23] - Purification and drying processes are energy-intensive and time-consuming, requiring significant amounts of pure water and energy [34][49] PEEK Injection Molding - Injection molding is the most widely used method for processing PEEK into structural components, with several critical challenges including moisture control, temperature management, and pressure adjustments [6][53] - The drying process before injection is crucial, as PEEK must have a moisture content below 0.02%, typically achieved by drying at 150°C-160°C for 2-3 hours [53][55] - The design of molds and the specifications of injection machines are essential for ensuring the quality and performance of the final products [57][59] Modification Process - The modification of PEEK is necessary to enhance its mechanical and friction properties, with various methods such as filling modification and blending modification being the most common [39][40] - Carbon fiber reinforced PEEK shows significant potential in high-load applications, with tensile strengths reaching 180-230 MPa when enhanced [39][41] - The complexity of the modification process and the high costs associated with producing composite materials present additional barriers to entry in the market [41][49]