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The adhesion of the electroplated hard chrome coating is one of the main inspection indicators of the coating. Poor coating adhesion directly affects the service condition and lifespan of the plated parts.
Many people think that a slow deposition rate is due to a poor formulation of the electroless nickel plating solution. In fact, there are many factors that affect the deposition rate of the plating solution, including proper maintenance of the bath. When maintenance is not done well, the plating solution is easily contaminated by impurity ions, which will affect the deposition rate. In this article, we will share related content.
Is the poor brightness of the film layer related to the trivalent chromium blue-white passivation solution? Besides that, what other possibilities are there?
Among the many factors that influence the deposition rate of electroless nickel plating solution, the following two are often easily overlooked by electroplating factories.
S-1 sulfate galvanizing brightener developed and produced by our company has reached the advanced level of similar products in the world and can be used for continuous high speed zinc plating of wire rod. The additive can effectively improve the appearance and properties of zinc coating and is suitable for any formula of sulfate galvanizing.
Sn-807 bright tin plating additive can produce a mirror-bright coating. The anti-tarnish coating has excellent corrosion resistance and weldability, and is suitable for rack plating and barrel plating. Sn-807 bright acid tin plating additive bath is highly stable and easy to maintain.
Galvanized trivalent chromium black zinc water BZ-216 is a black passivator without hexavalent chromium, suitable for hanging and rolling plating; long service life of bath liquid, easy to operate and maintain; in rolling plating or automatic line passivation, scratches of collision or friction will be repaired automatically.
contains no hexavalent chromium black passivation agent, suitable for plating and barrel plating. and sealants are used together, can produce the dense black on alkaline zinc plating passivation layer.
Trivalent chromium blue zinc water is a special electric galvanized enterprise development of new environmental protection products, products do not contain hexavalent chromium, do not contain fluoride, so that the production and processing of products in line with RoHS, ELV environmental laws and regulations, meet the export requirements, at the same time discharged wastewater standards.
