Recommended number of coating lines: two, dry film thickness of 60 micron.
Preceding coat: traditional primer, intermediate primer, alkyd primer, intermediate primer.
Surface treatment: the previous paint film must be completely dry. For the coating that has been cured for a long time, polish the surface and remove the grease and dust on the coating surface before painting. No acid, alkali, moisture and other sundries on the paint film can be used to paint the later paint.