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We all know that parts produced using the trivalent chromium blue zinc process need to have a nice shiny blue finish, but sometimes yellow spots show up on the parts after passivation, which really messes up the appearance of the product. Are these yellow spots caused by not using the trivalent chromium blue zinc passivation solution right?
When using alkaline zinc plating additives, sometimes the following phenomenon occurs: the barrel suddenly explodes while rotating. What is the reason for this?
An electroplating factory encountered severe roughness in the plating layer when using alkaline copper plating additives. However, even after filtering the plating solution multiple times, the problem persisted. They sought our assistance, and in this article, we will analyze the causes and solutions.
A friend came to report that there was a problem with the use of nickel plating brightener on his nickel plating production line. In the past few days, the lower part of the produced workpieces has turned black, and they have been constantly complained about and returned by customers. So what causes the nickel layer in the low area of the workpiece to turn black?
Cast iron workpiece in the use of alkaline zinc-nickel alloy additives due to its processing special, complex structure, and cast iron surface is easy to rust, rust is difficult to deal with, poor decorative, so in the plating process need to improve its surface properties. For the special characteristics of cast iron, these 3 points should be noted when plating:
In the chrome plating process, sometimes the surface of the workpiece produced is cracked at the tip position or edge area, which can seriously affect the appearance and performance of the workpiece. Is the cracking phenomenon caused by improper use of chrome plating additives?