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PEI plastic detailed explanation: polyether imide (PEI) performance and application in all directions

Polyether imide resin is an amorphous thermoplastic resin, referred to as PEI (hereinafter referred to as PEI). It has outstanding high temperature resistance, high strength, high modulus and wide chemical resistance. A good balance between performance and machinability provides unusual flexibility and freedom for design engineers to innovate.

PEI resin has a natural burning resistance and low emission of flue gas. Some brands have a UL94V-0* rating when the thickness is 0.25mm, and the other brands are in a very wide range of temperature and frequency, showing high dielectric constant and loss factor. Many markets are suitable for applications of polyether imide resins: equipment that improves cooking speed is becoming more and more popular in the food equipment market. The device combines convection and microwave technology, and experts believe that microwave and optical technology will also be integrated in the future. These technologies speed up cooking and do not reduce the delicacy of food. What does these new technologies mean for polyether imide resins? Cooking utensils with these technologies must meet the needs of design. Polyether imide resin can not only achieve this, but also have different transparent colors.

In the telecommunications equipment market, the demand for high temperature resistant products, especially high-end connectors in the optical fiber market, is increasing. Polyether imide resin has the characteristics of high temperature resistance and high fluidity suitable for thin wall design. It can replace aluminum and thermosetting plastics in automobile parts, and the pressure parts of copper material in the pump, Wall-hung boilers and domestic tap.

Polyether imide resin is known as super engineering plastics. It has excellent high temperature resistance, corrosion resistance, dimensional stability, high strength and high toughness. It has been applied more and more widely in aviation, automobile electronics, medical treatment, food appliance and so on.


Polyether imide (PEI) is a typical thermoplastic polyimide. It has excellent comprehensive properties and is mainly used in electronics, motor and aviation industries. It is used as a substitute for metal in the field of traditional products and cultural life.

In the electrical and electronic industry departments, parts made of polyimide materials have been widely used, including connectors of high strength and dimensional stability, circuit boards, coils, soft circuits, mirrors, high precision optical fiber components, etc.

In the field of aviation and automobile transportation, PEI can be used to make various parts of the aircraft, such as the porthole, the head parts, the seat backrest, the inner wall board and the door overlay .In the automotive field, PEI is used to make high temperature connectors, high power headlights and indicator lights, temperature sensors, and sensors of to control the temperature of air and fuel mixtures.


      How to optimize the PEI sheet PEI rod supply configuration service: PEI sheet and PEI rod as a kind of high temperature engineering plastics, have other properties and advantages that other materials are not enough. A metal substitute used as a part of the product, in recent years, due to the rapid development of various industries in China, the demand for different performance materials has increased rapidly, thus bringing new opportunities and challenges to the supply of materials market.

  PEI is polyether imide. It is an amber color solid and has excellent physical properties. It not only has excellent flame retardancy and mechanical properties, but also has excellent high temperature resistance, low temperature resistance and wear resistance. According to the insiders, the emergence of engineering plastics has made the choice of materials more diversified. The performance of different materials directly determines the scope of use of materials.