During the process of using acidic zinc plating brighteners, we sometimes find that the coverage ability of the zinc coating on the produced workpiece is poor, especially in the blind holes or recesses of the workpiece where the coating is thin or lacking. What is the reason for this?
Mr. Lin is the owner of a tin plating factory. Recently, during the process of using acidic tin plating brighteners, there will be a circle of blackening on the surface of the tin coating of the workpiece.
A customer inquired that their plastic parts were being produced using a newly opened bath solution with electroless copper plating additives and following the parameters specified in the product manual.
During the process of using trivalent chromium black passivation agent for galvanizing, we sometimes find flow marks on the surface of the produced workpiece. What is the reason for this?
During the process of using bright nickel plating additives, we sometimes find that the leveling effect of the plating solution is relatively poor. What is the reason for this?
During the process of using sulfuric acid type matte tin additives, we sometimes find streaks on the coating of workpieces. What is the reason for this?
