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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...
When we use the zinc plating color passivator, the passivation film of the workpiece will appear black spots. Is this due to the influence of metal impuriti...
In the process of trivalent chromium black zinc passivation, often because of the poor impurity resistance of the working solution, the passivation film of ...
A customer inquired and found that during the process of using semi bright nickel additives, it was found that the semi bright nickel layer of the same work...
Reasons for easy oxidation and discoloration of the workpiece coating during the use of acid copper brighteners
During the process of using trivalent chromium black passivation agent for galvanizing, we sometimes find flow marks on the surface of the produced workpiec...
A customer inquired that during the process of using potassium chloride zinc plating brightener, there was always fogging in the low area of the test piece ...
Reasons for insufficient brightness of the workpiece in the middle of the hanger during the application of bright acid tin plating additives
In the production process of using potassium chloride zinc plating additive, we sometimes find that the consumption of brightener is relatively large, and w...
