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  • The reason why the pH value of the bath does not rise after adjustment when using nickel sulfamate additive

    The reason why the pH value of the bath does not rise after adjustment when using nickel sulfamate additive

    A few days ago, a friend had such a problem in the process of using nickel sulfamate additives:The concentration of nickel sulfamate in the bath was 700 ml/L, and the pH of the bath was 4.3 at the beginning.After an hour, the pH value dropped to 3.7, and then stabilized at about 3.7. The pH value of the plating solution was adjusted with basic nickel carbonate but did not rise.What is the reason for this?

    Wed Sep 07 09:49:07 CST 2022

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  • Do you know the composition and function of the plating solution when using acid copper brightener?

    Do you know the composition and function of the plating solution when using acid copper brightener?

    In the copper plating process using acid copper brightener, because the composition of the plating solution is relatively simple and the plating solution is stable, no harmful gas is generated during the production process, and full-bright copper plating with good leveling performance can be obtained.What are the components of the acid copper plating solution?

    Fri Sep 02 09:30:34 CST 2022

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  • Do workpieces produced with medium phosphorus electroless nickel plating solution need to be passivated?

    Do workpieces produced with medium phosphorus electroless nickel plating solution need to be passivated?

    When we use medium phosphorus electroless nickel plating solution to produce, after the workpiece is plated with electroless nickel coating, it will go through the process of cleaning and drying.Does the workpiece need to be passivated after electroless nickel plating?

    Mon Aug 29 11:02:00 CST 2022

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  • When nickel plating additives are used in production, the adhesion of the coatings on different parts of the workpiece is not good, which can be analyzed in this way

    When nickel plating additives are used in production, the adhesion of the coatings on different parts of the workpiece is not good, which can be analyzed in this way

    When we use nickel plating additives to produce, there are several reasons for the poor adhesion of the nickel plating layer of the workpiece, and the reasons are different.So how to judge the reasons for the poor adhesion in different parts of the coating?

    Sat Aug 20 09:24:43 CST 2022

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  • 4 factors affecting coating appearance and potential difference when produced with high-sulfur nickel additives

    4 factors affecting coating appearance and potential difference when produced with high-sulfur nickel additives

    When we use high-sulfur nickel additives, we need to ensure that the sulfur content in the coating is about 0.2%, and the potential difference between the coatings should be more than 120mv.In addition, the brightness of the coating, the dispersion ability and deep plating ability of the plating solution should also meet the needs of production.So what factors will affect the appearance and potential difference of the coating in the production process?

    Tue Aug 16 18:17:18 CST 2022

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  • These 4 points should be paid attention to in the production process of nickel sealing additives

    These 4 points should be paid attention to in the production process of nickel sealing additives

    The use of nickel sealing additives can effectively improve the corrosion resistance of nickel coating.This is because the solid particles on the surface of the composite nickel plating layer are non-conductive when the chromium layer is deposited, so the chromium layer cannot be deposited on these particles, and a large number of micropores will be formed on the chromium layer.These micropores can remove the huge internal stress in the coating, thereby reducing the stress corrosion of the coating.So, what points should be paid attention to when using nickel sealing additives?

    Tue Aug 16 18:12:45 CST 2022

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