Second, the paint film. Practice: Touch the edges and corners of the painted door panel by hand to see if it is smooth. Paint finish: smooth edges and corners, consistent color. It is proved that the paint film is uniform and full of color. Powder spraying: rough edges and corners, lighter color than door panels. It is proved that the paint film is uneven and the color is not full.
Third, food. Practice: Compare the light to see if there is orange peel on the surface of the painted door panel. Baking paint: the surface of the door panel is smooth, without grain and orange peel. Powder spraying: the surface of the door panel is textured, unsmooth and orange peel. Fourth, the surface. Practice: Touch the painted door surface by hand to see if there are dust particles and bubbles. Baking paint: the surface of the door panel is flat and smooth. Powder spraying: there are particles on the surface of the door panel, which is not smooth and feels strange.
Fifth, wear resistance. Exercise: Hit with a hard object. Baking paint: no abnormality, no damage to paint film. Powder spraying: cracks, serious paint film peeling and white skin.