What is the production process of color coated rolls?
The production method of color coated coil is: on a continuous unit, cold-rolled strip steel and galvanized strip steel (electric galvanizing and hot dip galvanizing) are used as the base plate. After surface pretreatment (degreasing, chemical treatment), one or more layers of liquid coating are applied by rolling coating method, and the sheet obtained after baking and cooling is coated steel plate. Because the coating can have a variety of colors, the coated steel plate is usually called a color coated steel plate. Because the coating is carried out before the steel plate is formed and processed, it…