The national testing standards commonly used in automobile painting include coating performance testing, construction performance testing, and paint film performance testing, such as using a Colorimeter to detect the color and appearance of the paint film, using a fineness plate to detect The thickness meter detects the thickness of the coating film in the dry film state, etc. Relevant standards involve testing methods such as: test method for impact resistance of paint film , test method for gasoline resistance of paint film test method for paint film rating method for weather resistance of paint film test method for weather resistance of paint film
