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With the rapid development of the automotive industry, the demand for lightweight and high-performance materials is growing daily. Engineering plastics, especially those that have undergone modification, have become particularly significant in this context. Modified engineering plastics, with their excellent mechanical properties, heat resistance, corrosion resistance, and lightweight advantages, have become one of the indispensable materials in the automotive industry.

In recent years, the application of modified engineering plastics in automobile manufacturing has become increasingly widespread. Traditional metallic materials, due to their heavy weight and high processing costs, are gradually being replaced by modified plastics. The use of modified plastics in automotive body parts, such as bumpers, door inner panels, and dashboard frameworks, not only significantly reduces the vehicle's weight and fuel consumption but also enhances its fuel economy and environmental performance.

The modification technology of engineering plastics involves various methods, such as filling, blending, reinforcement, etc., which can effectively improve the flame retardancy, strength, and impact resistance of plastics. For example, polyamide (PA) modified with glass fiber reinforcement significantly enhances its strength, product precision, and dimensional stability, making it widely used in automotive engines and engine peripheral components. Modified polycarbonate (PC), on the other hand, due to its high mechanical properties and good appearance, is extensively used in automotive interior and exterior trim parts.

In the automotive industry, the widespread application of modified engineering plastics has also promoted design innovation in new vehicle models. The use of lightweight materials enables automakers to design more streamlined and aesthetically pleasing bodies, improving the vehicle's driving performance and passenger comfort. At the same time, the plasticity and processing flexibility of modified plastics provide automakers with more design freedom, meeting the market demand for personalized and diversified vehicle models.

With the continuous advancement of the "dual carbon" policy, the demand for lightweight and environmentally friendly materials in the automotive industry will further increase. As an important component of lightweight materials, modified engineering plastics have broad prospects for research and application. In the future, with continuous technological advancements and further cost reductions, modified engineering plastics will play an even more significant role in the automotive industry, driving it towards a greener and smarter direction.