What's the difference between PPS and PEEK bar?

The main characteristics of pps rod are: the maximum allowable working temperature in air is very high (it can work continuously at 220°c, and it can reach 260°c in a short time), and it maintains high mechanical strength, stiffness and hardness in high temperature environment, excellent chemical corrosion resistance and hydrolysis resistance, excellent wear resistance and friction resistance, excellent dimensional stability, excellent high-energy radiation resistance, good ultraviolet resistance, flame retardancy and excellent electrical insulation performance.

Application field: When pom is used. When PET, PEI and psu are defective, and PI, PEEK and PAI are used, and the cost is too high, PPS can be selected to replace them. Used in chemical equipment, food processing, semiconductor, electrical insulation and electronic industries.

The main characteristics of peek rod are: the maximum allowable working temperature in air is very high (it can work continuously at 260°c, and it can reach 310 C in a short time), the mechanical strength is high, the hardness is high, the high temperature resistance, the chemical resistance and hydrolysis resistance are excellent, the wear resistance and friction resistance are excellent, the creep strength is extremely high, the dimensional stability is excellent, the ultraviolet resistance is excellent, and the high-energy radiation resistance is excellent.

Application: PEEK is widely used in aerospace, medical, semiconductor, pharmaceutical, food processing and other industries, such as the structural parts of gas analyzers on satellites and the blades of heat exchangers. Because of its excellent friction performance, PEEK has become an ideal material for friction applications, such as sleeve bearings, sliding bearings, valve seats, sealing rings and pump wear rings.

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