In the process of car maintenance, there will be many puncture holes on the car surface after painting, which makes many people feel annoyed. They want to find a solution to this phenomenon. Don't worry, you can look at the reasons and solutions shared by Bian Xiao below.

(1) Causes of Pinholes in Automobile Painting

Insufficient mixing of polyester filler.

Residual solvent bubbles on the polished surface.

Insufficient priming of polyester filler.

(2) Prevention of pinholes in automobile painting.

Fully mix the polyester filler.

Do not polish solvent bubbles or completely remove the problem paint film.

Fill with enough polyester filler.

(3) Remedial measures for automobile painting pinholes.

Remove the defective top coat.

Coating polyester filler after grinding.

Spray primer, and then spray top coat.