PVD Coating And Traditional Chemical Plating (water Plating) Similarities And Differences

PVD coating and traditional chemical plating (water plating) similarities and differences

Both belong to the category of surface treatment, are through a certain way to make a material cover the surface of another material, the application of different fields.
PVD coating is a physical vapor deposition process, the film-forming process will not produce toxic pollution substances, the metal texture is strong, and can be plated in a variety of colors, uniform, and stable colors. But the film layer is thin, so the raw material production and processing requirements are relatively high. Such as welding and surface polishing flatness and consistency requirements are very high, mainly used in stainless steel surface more. Zinc alloy, copper, iron, and other die castings should be chemical plating chromium, and then suitable for PVD plating.
Water electroplating refers to a process in which metal ions in the electrolyte are reduced and deposited on the surface of parts under the action of direct current to form a metal coating of certain performance. The electrolyte is mainly an aqueous solution, but also contains the organic solution and molten salt, which has strong corrosion and toxicity. The film thickness of water electroplating can reach several microns to dozens of microns, with a certain coverage, the surface polishing of the base material is relatively simple, though the process design can achieve a variety of material surface plating, such as iron, copper, aluminum, zinc, alloy, ABS material, but the color is relatively single.

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