Mr. Yang from Guangzhou is the owner of a home appliance plating factory, and his production line mainly involves the processing and production of phosphorus chemical nickel plating on aluminum radiators. Recently, Mr. Yang's plating bath with chemical nickel solution has experienced a strange phenomenon, which is that the plating solution is prone to solid particles, and the plating bath walls and bottom are also easily coated with nickel. What is the reason for this?
Due to Mr. Yang using Bigley's chemical nickel solution Ni-809, Bigley engineers quickly rushed to the site to investigate the situation. The engineer checked the temperature, pH value, and loading capacity of the plating solution and found that they were all within the process range; The nickel content of the plating solution and the concentration of Hypophosphorous acid were also analyzed, which were within the working range.
Engineers found through analysis that there are high levels of zinc ions in the chemical nickel plating solution. So the engineer carefully inspected the production process of the production line, and it occurred that Mr. Yang's radiator workpiece had undergone two rounds of water washing before entering the chemical nickel plating tank after zinc deposition. However, the cleaning water was not replaced in a timely manner, sometimes only a week later, resulting in a high amount of zinc ions in the cleaning water, which led to the introduction of zinc ions into the chemical nickel plating tank and instability of the chemical nickel plating solution.
So, engineer Bigley explained the situation of the malfunction to Mr. Yang and suggested that Mr. Yang strengthen the water washing of the workpiece after zinc deposition to ensure that the workpiece is washed clean without zinc ions entering the chemical nickel plating tank; And strengthen the filtration of chemical nickel plating solution to reduce solid impurities in the plating solution. Mr. Yang followed the engineer's advice and used an overflow method for cleaning water to ensure the cleanliness of the workpiece.
Now, Mr. Yang's electroless nickel plating additive has been continuously produced for 20 days without any solid particles, and the production is also very stable. So, when using chemical nickel solution to produce solid particles in the plating solution of our radiator, we should pay attention to this point. If you are interested in chemical nickel plating solution, please contact Bigley customer service to obtain free samples and detailed technical information!
If you want to learn more about chemical nickel, you can click to view the "Common problem".
