The road of dream building

Release time:

2023-06-27 15:03

Engineering plastics can be used as engineering materials and plastics that replace metal to make machine parts.Engineering plastics have excellent comprehensive properties, high rigidity, low creep, high mechanical strength, good heat resistance and good electrical insulation. They can be used for a long time in harsh chemical and physical environments, and can replace metals as engineering structural materials, but they are more expensive and the output is small.

Engineering plastics can be divided into general engineering plastics and special engineering plastics.The main varieties of the former include: polyamide, polycarbonate, polyoxymethylene, modified polyphenylene ether and thermoplastic polyester. The latter mainly refers to heat resistance inThe main varieties of engineering plastics above 150°C are polyimide, polyphenylene sulfide, polysulfone, polyurethane, polyaryletherketone, aromatic polyamide, polyarylate, liquid crystal polymer and fluorine resin.

The main performance characteristics of engineering plastics are:

（1) Compared with general-purpose plastics, it has excellent heat resistance and cold resistance, excellent mechanical properties in a wide temperature range, and is suitable for use as a structural material;

（2) Good corrosion resistance, small impact on the environment and good durability;

（3) Compared with metal materials, it is easy to process, has high production efficiency, can simplify the process and save costs;

（4) Good dimensional stability and electrical insulation;

（5) Light weight, high specific strength, excellent friction reduction and wear resistance.

Engineering plastics have a wide range of applications due to their excellent stability, good heat and chemical resistance, and high strength, and their demand continues to grow rapidly.One of the main uses of engineering plastics is to replace metals in various end industries.In particular, increasingly stringent environmental regulations require vehicles to reduce emissions and improve fuel economy, and engineering plastics are being used in large quantities in the automotive and transportation industries. In addition, engineering plastics are also widely used in consumer and household appliances, electrical and electronic products, industrial machinery, packaging, and medical, construction and other industries.

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