Polyether Ether Ketone (PEEK)

Polyether Ether Ketone (PEEK)

PEEK is a high-performance polymer composed of repeating units containing one ketone bond and two ether bonds in its main chain structure. It is classified as a specialty high-molecular material.

Performance Characteristics:

• High-temperature resistance: PEEK has a glass transition temperature of 143°C, a melting point of 334°C, a long-term service temperature of up to 260°C, a short-term service temperature of up to 300°C, and a load-bearing heat deflection temperature of up to 316°C.

• Mechanical properties: Its strength is close to that of metals, with high rigidity and exceptional fatigue resistance under alternating stress, comparable to alloy materials.

• Chemical resistance: PEEK is insoluble in any solvents, strong acids, or strong bases except for concentrated sulfuric acid, and it exhibits excellent hydrolysis resistance and high chemical stability.

• Self-lubrication: It possesses excellent sliding characteristics, and PEEK grades modified with carbon fibers, graphite, or PTFE demonstrate superior wear resistance.

• Flame retardancy: PEEK is self-extinguishing and achieves a UL 94V-0 rating without the need for flame retardant additives.

• Electrical insulation: It maintains stable insulation performance even under high-temperature, high-humidity, and other harsh conditions.

• Biocompatibility: PEEK is non-toxic to human tissues, does not cause rejection reactions, and has an elastic modulus close to that of human bones.

Processing Methods:

• Injection molding: Suitable for mass production of complex components, such as gears and electronic component housings.

• Extrusion molding: Used to produce PEEK tubes, rods, and films.

• CNC machining: Enables precision machining of high-end components, such as medical implants and aerospace parts.

• 3D printing: Ideal for customized production in the medical and aerospace industries.

YANMEI · Application Cases

Widely applied in industries such as electronics, batteries, automotive, cables, machinery, and drones.