How to Repair Paint Cracks?

1 Answers
DeAsher
07/30/25 3:57am
Paint cracks can be repaired by: 1. Polishing and waxing for minor cracks; 2. For more severe cracks, the entire area of the paint film needs to be sanded down until a smooth surface is exposed, followed by repainting. Paint cracks are usually very fine at the early stage but will gradually penetrate the paint until reaching the color coat layer. By the time they become visible to the naked eye, the damage is already quite severe. Prolonged exposure to sunlight is the main cause of shortened paint lifespan. Ultraviolet rays from the sun eventually lead to oxidation of the car's coating. If water droplets remain on the car body while it is exposed to sunlight, the oxidation process accelerates significantly. For minor oxidation, wax can be used to remove it. However, once oxidation becomes severe, grinding and polishing are necessary.
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