If you use aluminum composite panels for a long time, it will also appear some minor problems, such as some aluminum-plastic products will appear discoloration,do you know the reason?
In fact, it is mainly caused by improper selection of raw materials. Usually aluminum-plastic panels are divided into interior wall decoration panel and external wall decoration panel, the surface coating of the two plates is different, which determines its application to different occasions. Indoor use of the plate, the surface is generally sprayed with resin coating, this coating can not adapt to the harsh outdoor environment, if it is used outdoors, leading to discoloration discoloration. So we choose and use aluminum composite panels must be correct.