Aluminum alloy sheet is generally used for traffic signs, and is the addition of other elements of the aluminum sheet. Often used as a marker is a layer of painted aluminum, mostly blue, green and yellow color coated aluminum. Because the color coated aluminum sheet has good reflective effect and corrosion resistance, it has been widely used in the field of traffic signs to remind pedestrians and vehicles, but also can be used as road partition. In our daily lives, we will see that the signs aluminum sheet everywhere. So, the traffic signs are used in color coated aluminum sheet is mostly what models and specifications? haomei Aluminum details for you: