Color coated roll is also known as color steel coil, color coated plate, color steel plate, color plate. With the development of the times, the application field of color coated coil is more and more widely used, mainly for household appliances, building structures, automobiles and so on. Xiaobian worked in JINGWAH metal for many years. Let's take the JINGWAH color panel as an example to introduce the relevant knowledge of color coated steel sheet.
The first step is to judge the quality of color coating, first of all, we should look at the film of each component. The color coating consists of five parts: substrate, back lacquer film, passivation film, bottom paint film, and finish film. The main function of each part of paint film is to prevent corrosion, scratch, scratch, etc.
The second step, factory inspection is a very important part, qualified color coating before the factory needs to be tested for precision instruments, including the film thickness tester, the impact instrument, the bending instrument, the flatting machine, etc.