In the process of using chromium plating additives, sometimes the content of trivalent chromium in the plating solution will increase, resulting in the workpiece coating rough, dark, poor brightness and other problems.So how do we reduce the content of trivalent chromium in the bath?
A customer inquired that during the use of zinc nickel alloy black passivator, the passivation of the workpiece was followed by sealing treatment, and the appearance of the passivation film would be colored.The workpiece is uniformly black and bright before, how can it be colored?
In the production process of using nickel sulfamate additive, nickel sulfamate coating is favored by customers because of its good appearance, low stress, fast deposition rate and low porosity.In the production process, some workpieces have burrs on the edge of the coating. What causes this?
In the process of using nickel plating additives, sometimes the adhesion of the double-layer nickel layer of the workpiece is poor, and the performance test is unqualified. What is the cause?
In the process of using the additive for methanesulfonic acid tin plating, the concentration of iron ions in the plating solution is constantly accumulating with the progress of production. What is the impact of iron ions on the methanesulfonic acid tin plating solution?
When we use nickel plating brightener for production, sometimes the workpiece is very clean in the pretreatment, but the coating has pinholes after nickel plating.So what causes the pinhole phenomenon of the coating?
