
If the primer is not damaged, polishing can be performed. If the primer is damaged, grinding and repainting are necessary. Repainting typically involves three steps: 1. Primer coat: Fills sand marks and micropores on the workpiece surface, enhances adhesion for the subsequent paint layer, and also serves as a defect indicator. 2. Intermediate primer coat: Prepares a smooth and flawless surface for the topcoat, completes the final step of all primer work, improves adhesion of the intermediate layer, and provides some isolation to ensure the stability of the topcoat quality. 3. Topcoat: The topcoat is divided into single-layer and multi-layer paints, serving as the color definition layer and decorative protective layer.

Last time I accidentally scratched the red car paint with my white car, it was heartbreaking! Don't panic, first take photos of the scene with your phone as evidence. Quickly use a damp cloth to gently wipe—if you're lucky, it might just be surface paint. If the primer is exposed, try using a bottle of scratch wax yourself. Polish in circular motions under sunlight, and shallow scratches on white cars can usually be covered up. If that doesn't work, go to a professional paint shop. They'll wash the car, sand it, apply primer, then spray original white paint and bake it dry. Spending a few hundred yuan can make it look as good as new. It's practical to keep a touch-up pen in the trunk for emergencies. Scratches are inevitable, so don't take it too hard.

As a seasoned driver, let me tell you, these minor scratches are super common! First check the scratch depth - if your finger doesn't feel any dent, just buy some $1-2 cleaning wax and DIY. Remember to work in shade, gently rubbing along the grain with wax-dipped sponge. If primer is exposed, don't force it - find a reliable shop for spot repainting. Today's techniques are so advanced there'll be zero color difference. And seriously, park farther from red cars - blind spots around mirrors cause most scrapes.

If you get red paint on your car, stay calm and avoid rubbing it vigorously to prevent further damage. I recommend a three-step approach: immediately rinse the surface with car wash soap, purchase a nano sponge to gently scrub with water, and finally apply car wax for protection. Remember, shallow marks are best treated within 48 hours. If the other car's paint has embedded into your car's paint layer, never use alcohol or gasoline to wipe it off, as this can dissolve your original paint. Either buy a touch-up paint kit and fix it yourself slowly, or go straight to a repair shop—it’ll cost around 200-300 yuan and save you time and effort.


