PEEK high-performance polymer is a high-temperature thermoplastic with a high glass transition temperature ( 162℃ ) and melting point ( 358℃ ), with a load deformation temperature of up to 332℃ ( 30% glass fiber or carbon fiber reinforced grades ), it can be used long-term at 260℃. Compared with other high-temperature plastics such as PPS, PTFE, PAI, and PPU, its maximum operating temperature is nearly 60℃ higher; PEEK resin not only has superior heat resistance compared to other high-temperature plastics, but also possesses high strength, high modulus, high fracture toughness, and excellent dimensional stability. PEEK resin maintains high strength at elevated temperatures, with a flexural strength of about 24MPa at 200℃, and at 260℃, the flexural and compressive strengths still range from 15~19MPa;PEEK resin has high rigidity, good dimensional stability, and a low coefficient of thermal expansion, very close to that of aluminum materials. It has excellent chemical resistance, with corrosion resistance similar to nickel steel, and inherently possesses flame retardancy, releasing minimal smoke and toxic gases under flame conditions, and has strong radiation resistance. PEEK resin has good toughness and outstanding fatigue resistance to alternating stresses, comparable to alloy materials. PEEK resin exhibits excellent tribological properties, with outstanding resistance to sliding wear and fretting wear, particularly maintaining high wear resistance and a low coefficient of friction at 256℃; PEEK is easy to extrude and injection mold, with excellent processing performance and higher molding efficiency. Additionally, PEEK also has good self-lubricating properties, easy processing, stable insulation, and excellent resistance to hydrolysis, with comprehensive and mechanical properties that are good, high-temperature resistance, and superior chemical properties, making it a versatile plastic.

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