Metal parts can rust if they are left outside or used in wet places, but a protective coating can stop this from happening. Zinc nickel plating can be used because it gives protection that lasts longer than other metal coatings.
What Is Zinc Nickel Plating?
Zinc nickel plating, like the examples seen here swmf.co.uk/surface-coatings/zinc-nickel-alloy-plating, is a coating made from zinc and nickel. The metal part is placed into a special liquid and an electric current is used to cover it with a thin layer of the two metals. The coating usually contains around 11% to 16% nickel and the rest is made up of zinc. This coating helps to protect the metal underneath from rust, so if the surface gets a scratch, it can help stop the corrosion from spreading.
Why Is It Used?
Many manufacturers choose this coating because it lasts longer than standard zinc plating. It works well in wet and outdoor conditions where metal parts are more likely to rust, and it can also help reduce corrosion when steel and aluminium are used together. This means it can be used for different types of metal parts. Health and safety is also very important in the plating process.
Where Is It Used?
Zinc nickel plating is used on car parts, bolts, brackets and many other engineering parts. It is also used in manufacturing where metal parts need extra protection from rust. Extra finishes, such as passivates or topcoats, can also be added to give more protection. This can help parts last longer and keep them in better condition.
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