jiangsu jianghehai stainless steel co.,ltd
jiangsu jianghehai stainless steel co.,ltd
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The copper plate comes in two colors: purple and yellow, Copper plate in the appearance of the difference in color: observe the copper plate and copper plate will find that the color of copper plate is generally golden, more shiny, but the color of copper plate is rose red, is also shiny, copper is also called red copper, that is, pure copper, copper and brass in color and quality are different! In fact, the color is clear at a glance. The surface of the copper plate is oxidized, and there is a layer of red cuprous oxide, which looks purplish red. The quality of copper is harder than brass, the weight is about the same! So we can also distinguish them from the color of their appearance.
