After degreasing and chemical treatment, the surface of aluminum plate is rolled with high-quality coating, dried and solidified. The flatness of the coating film on the surface of the roll coating plate is higher than that of the spray coating plate. The color is divided into pearlescent and matte, and the most common one on the market is pearlescent. Its price is higher than spraying. The most important feature of roller coating board is the high degree of color simulation; There is a big difference between the quality and grade of roll coating process. In addition to all the materials, it is also related to its coloring several times. For example, two coating and two rolling, that is, spraying once, baking once, and then spraying and baking again, so that the color is more uniform and smooth. A good roll coating board is also very expensive, with realistic color and strong durability.Imported fluorocarbon roll coating is also a kind of roll coating, that is, adding fluorocarbon in the pigment, making the color more adhesive, longer service life, acid and alkali resistance and corrosion resistance. It is often used in the external decoration of buildings (not afraid of wind and rain). The price is very high, and it is the highest grade of roll coating board.