Surface does not refer to front, back, left and right, but refers to section. If it is on the same part, it is a surface. For example, on the left side of the car body, if a door is painted, it is necessary to repair the whole door. If there are two doors, two complete goalkeepers are repaired. It is unrealistic to repair the whole face, and there can be no joint between the two faces.

Touch-up paint cannot have seams, which is the principle of touch-up paint. One scratch touch-up paint is mainly divided into eight parts: hood, front bumper, two fenders, roof, four doors, trunk lid, rear side wall and rear bumper.

Extended data:

Automobile scratch repair paint

1. First, wash the parts to be repaired with water, as shown in the following figure.

2. First use coarse sandpaper to smooth the scratched part with burr, and then use fine sandpaper to smooth it. Sandpaper must be polished with water. )

3. Choose 800C coarse sandpaper and 2000C fine sandpaper. Use coarse sandpaper to polish first, and then use fine sandpaper to polish.

4. Polishing is easy to dry with a dry towel or paper towel.

5. Fill the pit with soil and cooperate with the scraper.

6. According to the size of the pit, squeeze out a proper amount of soil to fill the pit for the scraper.

7. Fill the rear bumper pit and polish the burr first.

8. Fill the soil after grinding, cleaning and drying.