In the production process of using acid copper plating brightener, sometimes the concentration of various components in the plating solution is normal, and the workpiece with small area is uniformly bright, while the surface of the workpiece with large area is easily foggy. What is the reason?
According to the site experience and the characteristics of acid copper plating brightener Cu-510, Bigolly Technology has analyzed the following five points:
1. The brightener is out of balance.When the proportion of leveller and brightener in the plating solution is out of balance, the workpiece's walking ability will be poor.The plating solution can be used for Hull bath test. First add the leveller and stop adding the brightener to see if the coating is effective.
2. The performance of brightener is poor.Some acid copper plating brighteners on the market have poor performance, and the carrier capacity is limited, which can only meet the requirements of small areas of workpieces, and large areas of workpieces will have fogging.
3. The current density was not adjusted in time.Sometimes the workpiece with a small area is uniformly bright, but the current density is not adjusted in time when the workpiece with a large area is plated. At this time, the surface of the workpiece with a large area is not bright enough, and it is easy to appear fogging.
4. The hanging appliance has poor conductivity.Some production lines of the hanging device is not conductive, plating a small area of the workpiece is bright, but a large area of the workpiece will appear on the part is bright, and the next part is fog.
5. The plating solution is not aerated evenly.Some plating baths have poor design of blowholes. Although it is uniform when plating small area workpieces, some positions are uneven when plating large area workpieces. It is easy to appear that one side is bright and the other side is foggy.
Therefore, we should pay attention to the above five points in the production process of using acid copper plating brightener, which can avoid the phenomenon of coating fogging and effectively reduce the loss caused by failure.If you are interested in acid copper plating brightener, please contact Bigolly customer service for free samples and detailed technical information!
If you want to know more about copper plating,you can click to view "Common problem".
