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Headlight is a vehicle lighting tool, which can be divided into headlight, rear light, turn signal, license plate lighting, etc. Headlight plays an important role in the process of safe driving of vehicles, and the light transmission rate of headlight cover and the impact resistance of headlight also has a very important significance.
Compared with the traditional glass lampshade, plastic products have the advantages of easy manufacturing and light weight, which gradually replace glass in the field of automotive lampshade manufacturing, and the impact strength of plastic is greater than that of glass, which effectively improves the impact resistance of lampshade. At present, the plastic commonly used for lamp covers is polymethyl methacrylate, which has excellent high temperature resistance and high strength, but its impact performance is poor, and the manufactured lamp covers are prone to damage due to impact.
