Why do cars use galvanized sheets？

One thing that makes car buyers very frustrated is that the car body is scratched on the road. Some are accidentally scratched while driving, and some are inexplicably scratched out by urchins or hard objects. These unsightly scratches usually cost car buyers a lot of money. In order to repair this line, it must be polished and resprayed. Otherwise, all the repair marks will come out in the sun. In order to solve this problem, real estate developers have also developed various eyebrow pencils. The emergence of eyebrow pencils has relieved the pressure of car buyers to a certain extent. But the best way is to drive carefully and choose a parking location. Why do automobile manufacturers choose double-sided galvanized sheets?
After a car has been used for a long time, the paint will inevitably fade, turn white, become darker, etc. This is because the main components of the paint are chemical substances, which can oxidize and become moldy under long-term exposure to ultraviolet light. . Generally, frequent cleaning can alleviate fading; minor fading can be polished, waxed, and polished; mild to moderate fading requires grinding; and severe fading can only be sprayed again. At present, many people like pearlescent paint, which looks brilliant and has a very good visual impact. However, the shiny ingredient in pearlescent paint is mainly aluminum oxide powder, which is more susceptible to oxidation and cracking. Therefore, it is more necessary for pearlescent paint to be polished and waxed frequently. Polishing, polishing and waxing are not difficult tasks. If you are willing to do it yourself, you can do it yourself. There are a variety of glazing oils and waxes on the market, both liquid and crystalline, so you can choose what you like. Clean the back of the car, pour some on the car body, and then use soft wool, pure cotton cloth or patent leather to rub it on the car body in light and even circles. Do not use too much force. A thin layer, not necessarily thick, but smooth and even. Do not operate under natural light, and the surrounding area should be clean and tidy. After applying the wax, wait for an hour or two before shipping. This is to give the wax layer time to adhere and solidify.