In the process of using potassium chloride zinc plating brightener, we will encounter such a problem:After the bath is used for a period of time, the dispersion performance of the bath will decline, resulting in a large difference in the thickness of the high and low areas of the workpiece coating. How can we improve the dispersion performance of the bath?
According to the site experience and the characteristics of the product potassium chloride zinc plating brightener BZ-528, Bigolly Technology has analyzed the following four points:
1. Reduce the concentration of zinc chloride appropriately.When the zinc ion in the bath is in the lower and middle limits of your range, it can ensure that the upper limit of current density will not be low, and it can also make the bath have good dispersion performance and deep plating ability.
2. Increase the concentration of potassium chloride appropriately.When the chloride ion in the bath is high and the zinc ion is low, a high coordination complex such as K4 (ZnCl6) will be formed, which can increase the cathodic polarization and improve the dispersion ability.
3. Increase the current density of cathode appropriately.When the current density is low, the deposition speed of the zinc coating is slow, the brightness is poor, and the negative and positive sides will also appear.Therefore, properly increasing current density can effectively improve the dispersion ability and depth ability of the plating solution.
4. Add softener appropriately.The softening agent BZ-528A with proper concentration in the plating solution can refine the crystallization of the zinc layer, improve the brightness and coverage of the low current area, and thus improve the mobility of the workpiece coating.
Therefore, in the process of using potassium chloride zinc plating brightener, we can improve the above four points to improve the dispersion ability of the plating solution and effectively improve the production efficiency.If you are interested in potassium chloride zinc plating brightener, please contact Bigolly customer service for free samples and detailed technical information!
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