Some customers asked that in the production process of using zinc-nickel alloy colored passivator, the passivation film of the workpiece appeared black phenomenon, what is the cause of this?
With the continuous development of science and technology, the electroplating industry is also improving and innovating. Bigely electroplating zinc-nickel alloy blue passivator is an important raw material in the electroplating process, which has become a new favorite in the electroplating industry with its good performance and ideal anti-corrosion effect. So, how exactly does Bigely electroplating zinc-nickel alloy blue passivator help to improve the corrosion resistance of electroplated products? This article will analyze the following aspects.
As we all know, in the production process of plastic plating, the colloidal palladium adsorbed on the surface of the plastic workpiece after palladium activation does not have catalytic activity, which is due to its surroundings are wrapped by divalent tin ions, the use of peptizer can dissolve the palladium around the divalent tin so that it is exposed to deal with, so that palladium ions will have catalytic activity. So what do we need to pay attention to when we use the peptizer?
Judging the quality of electroless copper plating additives usually involves the following aspects:
If you want to increase the salt spray test performance of electroless nickel plating layer, it means to improve the corrosion resistance of the coating in simulated Marine or salt corrosion environment. Typically, a salt spray test is an accelerated test used to assess the corrosion resistance of a material, and the coating is subjected to a high concentration of salt water mist over a period of time. In order to improve the performance of electroless nickel plating in salt spray testing, the following measures can be taken:
Many customers prefer the color appearance of hexavalent chromium passivation, and the use of trivalent chromium color zinc passivator, the color appearance of the workpiece does not meet the requirements, or the corrosion resistance of the workpiece coating is poor and affects the performance of the workpiece. Today, we introduce a trivalent chromium color zinc passivator BZ-207 with hexavalent chromium passivation appearance and high corrosion resistance.