In the production process of using acid tin plating additive, black spots are easy to appear on the workpiece coating. After washing, black spots still exist. What is the reason?
In the process of using nickel plating additives, sometimes the contact point between the workpiece and the copper hook of the hanger will be dark and black. What is the reason?
In the process of using decorative chrome plating additives, sometimes the coating surface of the workpiece looks very rough, which will seriously affect the decorative effect of the workpiece.What causes this?
In the process of using acid tin plating additive, sometimes the coating of the workpiece will be rough and porous. What is the reason?
In the production process of using acid copper brightener, we need to maintain and manage the plating solution and add the brightener correctly, so as to obtain a uniform bright coating with good filling and low porosity.Sometimes the stability of the plating solution is poor, and problems such as decreased brightness and rough coating will occur, which will affect the quality of the coating. What is the reason for this?
In the process of using hard chromium additive, the workpiece coating is prone to pinhole phenomenon, which will affect the appearance quality and production efficiency of the workpiece.What causes this?
