Engineering plastics can be used as engineering materials and plastics that replace metal parts for machine parts. Engineering plastics have excellent comprehensive performance, high rigidity, small creep, high mechanical strength, good heat resistance, good electrical insulation, long-term use in harsh chemical and physical environments, and can be used as an alternative structural material for metal. . The performance of engineering plastics continues to increase, and the use of plastics to replace metals is becoming more common. A new generation of fiber reinforced plastics, such as Solvay's IXEF, has comparable mechanical properties to some metals.
The surface after injection molding is very smooth and beautiful, and can also be used on structural appearance parts. Another example is Solvay's AmodelPPA. Some models have a heat distortion temperature of up to 310 ° C and are resistant to hydrolysis and can be used in high temperature and humid environments. In fiber-reinforced plastics, long-fiber thermoplastics have also risen sharply at home and abroad in recent years. The fibers after molding can still maintain a considerable length and are intertwined, so that the finished product has both high rigidity and good toughness; Long-fiber materials have been widely used in automobiles, aerospace, transportation, sporting goods, household appliances, etc. due to their stability, light weight and corrosion resistance. In the current car design, plastic parts account for 16% of the weight of the car. The first cornerstone (Hong Kong) Co., Ltd. estimates that this percentage will continue to increase to about 25% within five years. This trend makes the new generation of cars more fuel efficient and more comfortable.
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