The Reason And Treatment Method Of Aluminum Plate Not Stained
2021-05-25
With the development of process technology, the weight of aluminum-plastic panels used in people's lives is getting higher and higher, and the color is no longer as monotonous as before. The current Aluminum Composite Panel processing can color the color you want, but when we color the aluminum composite panel, it is inevitable that we will encounter the situation that the color cannot be dyed. Then, the reason why the aluminum composite panel can not be dyed And the treatment methods are: 1. Insufficient anodic oxide film thickness: The solution is to check whether the anodic oxidation process is standardized, and to see whether the temperature, voltage, conductivity and other factors are stable. Please adjust the specifications accordingly. If there is no abnormality, the oxidation time can be appropriately extended to ensure that the film thickness meets the standard. 2. The pH value of the dyeing solution is too high: At this time, glacial acetic acid can be used to adjust the pH value to the standard value. 3. After oxidation, the workpiece is placed in the sink for too long: timely dyeing is recommended. If this has occurred, the workpiece can be placed in the anodizing tank or nitrate. Dyeing after proper activation treatment in the acid neutralization tank will have a good effect. 4. The selected dye is decomposed or mildewed: the dye needs to be replaced at this time, and the appropriate dye is selected. 5. The oxidation temperature is too low, resulting in a dense film: the oxidation temperature can be appropriately increased. 6. Poor conductivity: Possibly the anode copper rod or the cathode lead plate has poor contact. Pay attention to cleaning the anode copper rod and cathode lead plate to ensure good conductivity it is good. The above is about the reasons and treatment methods of aluminum-plastic panels that are not dyed. At present, aluminum-plastic panels have become a common material in the construction field, and they are widely used in building exterior walls, interior walls, advertising signs and other decorative fields. However, as people have higher and higher aesthetic requirements for decorative products, the aluminum-plastic panels with single color and rigid patterns can no longer meet the production needs.
