Color steel plate anticorrosion, coating is more important or layer is more important?

Color steel plate anticorrosion, coating is more important or layer is more important? 

Good friends, this phase to talk about: "color steel plate anticorrosion, coating or layer is more important?" Many customers in the process of choosing color steel plate, often only consider the layer, and ignore the coating. The main component of steel plate is Fe (iron), and the air and rain contain a large number of acidic or alkaline corrosive media. As long as the steel plate contact with air and rain, it is easy to oxidation and rust. Both the layer and the coating act as insulation against air and rain, thus acting as a preservative. So color steel plate anticorrosion coating is more important? 

Or are layers more important? It should be said that both aspects are important. The layer is equivalent to wearing a suit outside in winter. In addition to keeping out the cold, it mainly plays a beautiful role, with higher requirements for aging resistance. The coating is equivalent to wearing thermal underwear inside, which plays a key role in keeping out the cold, that is, speaking of the key anti-corrosion role. So we in the purchase of color steel plate, must not ignore the importance of coating. So how to choose the type of coating and coating weight? We'll talk about that in the next video. You are welcome to contact us.