How to judge the quality of color coated aluminum coil
How to judge the quality of color coated aluminum coil The surface of the qualified color coated aluminum coil sheet can not be marked by indentation, leakage, penetration coating damage, but corrugation, scratch, bubbling are not allowed also. These are easy to see, the most important thing is that you have to carefully look at the color difference of aluminum coil colors , if not, it is not easy to see, but in the application will affect the final decorative effect. Coloured aluminium roll is commonly said to be coated with a layer of color on the top of the alloy aluminium coil roll, it becomes coloured aluminium coil, coloured aluminium coil compared with ordinary painted aluminum coil suppliers its advantages are colour, more beautiful, more decorative. At present, the curtain wall aluminum plate will also be treated by electrostatic spraying. Powder spraying materials are mainly polyurethane, polyurethane, polyurethane, epoxy resin and other raw materials with h...