1. Dust and impurities

When a car drives in a dusty place, dust and impurities will be left on the white paint surface. Some impurities are stubborn and cannot be removed with ordinary cleaning, such as asphalt and bird droppings. These impurities are relatively sticky and require the use of special cleaning agents for infiltration, decontamination, and flushing in order to be completely removed.

2. Paint surface aging

If the car paint surface is exposed to the sun and rain for a long time without timely care, the car paint will easily age and form spots on the surface. Some cars have been parked for too long, soaked in acid rain, and may suffer from severe corrosion. In this case, the paint surface needs to be pathologically treated. That is, grinding wax is used to grind and polish sick car paint.

Summary: The reasons for the formation of black spots on white car paint are different, and it is necessary to analyze the causes before handling them correctly. If you operate blindly, not only will you not be able to solve the problem, but you may even damage the paint surface.