Colour coated steel plate is in the continuous unit with cold rolled strip steel, galvanized strip steel (electric galvanized and hot galvanized) as the substrate, after surface pretreatment (degreasing and chemical treatment), with the method of roller coating, coated with a layer or multiple layers of liquid paint, the sheet after baking and cooling.
Because the coating can have a variety of different colors, it is customary to call the coated steel plate color coated steel plate. Because the coating is carried out before the steel plate forming processing, it is called pre-coated steel plate in foreign countries.
Color coated steel plate is a kind of organic coating coated on the surface of steel, it has the advantages of beautiful appearance, bright color, high strength, good corrosion resistance, convenient processing and forming, but also can reduce the cost of users to reduce pollution.