As we all know, electroplating is a process of plating a thin layer of other metals or alloys on the metal surface using the principle of electrolysis, thereby preventing metal oxidation, improving wear resistance, corrosion resistance, electrical conductivity, light reflectivity, and enhancing aesthetics.
During electroplating, the plated metal or other insoluble materials are used as the anode, the workpiece to be plated is used as the cathode, and the solution containing the cations of the plated metal is used as the electroplating solution, and then the cations of the plated metal are reduced on the surface of the workpiece to be plated to form a coating. What is the difference between the common electroplating zinc, nickel electroplating, and chromium electroplating?
What is Electro Galvanizing?
Electro galvanizing is a process of forming a uniform, dense and well-bonded metal or alloy deposition layer on the surface of the workpiece by using the principle of electrolysis.
Features of Electro-galvanizing:
1. Compared with other metals, zinc is a relatively cheap and easily plated metal.
2. The color after galvanizing is the silvery white of zinc.
3. After passivation after plating, it can show different colors such as black, color, army green, etc. Passivation can increase the protective properties and decorative properties of the plated parts.
The Application of Electro Galvanizing:
1. Widely used to protect steel parts, especially to prevent atmospheric corrosion. It can effectively improve the corrosion resistance and service life of steel parts.
2. Can also be used to add a decorative appearance.
What is Electroplating Chrome?
Electroplating chrome is divided into electroplating hard chrome and decorative chrome.
Electroplating hard chrome is generally used on the surface of the product position of the mold. After chrome plating, the mold and workpiece will have the advantages of smooth surface, smooth surface, easy demoulding, and no rust.
Electroplating decorative chrome refers to chrome plating on a pre-polished surface to obtain a silver-blue mirror-like finish.
Features of Chrome Plating:
1. Chrome plating on pre-polished surfaces results in a silver-blue specular finish.
2. The decorative chrome layer has good gloss, strong reflective ability, and excellent decorative properties. It also has excellent hardness and wear resistance.
3. The molds and workpieces treated with chrome plating have the following advantages:
(1) The surface is flat, smooth, and easy to demould.
(2) Will not rust.
(2) Increase hardness, corrosion resistance, acid resistance, and wear resistance.
Application of Chrome Plating:
1. Electroplating hard chrome is generally used on the surface of the product position of the mold.
2. Decorative chrome plating can be used for protection and decoration. Exposed parts such as automobiles, bicycles, trains, medical equipment, light industrial products, metal furniture, etc. require decorative chrome plating.
What is Electroplating Nickel?
Electroplated nickel is mainly used as a protective decorative coating. Can prevent corrosion, and increase wear resistance, gloss and aesthetics.
Features of Electroplated Nickel:
Electroplated nickel is silvery white with some yellow in it.
the Application of Electroplating Nickel:
It is widely used in hardware, machinery, instruments, meters, medical equipment, household appliances, and other manufacturing industries.
What is the difference between electroplated zinc, electroplated nickel, and electroplated chromium?
1. Different purposes
(1) There are two kinds of chrome plating: one is decoration, and the other is functional to increase hardness.
(2) Galvanizing is mainly for anti-corrosion and beautiful appearance.
(3) Nickel plating is mainly to increase wear resistance and corrosion resistance.
2. Costs vary
Among the three electroplating processes, chrome plating is the most expensive, followed by nickel, and zinc is the cheapest.
3. Different colors
(1) The appearance of galvanized is silver-white.
(2) The appearance of nickel plating is silvery white with some yellow in it.
(3) Chrome plating is divided into decorative chrome and hard chrome, and the appearance is bright white with some bluishness.
The three common electroplating processes and the differences between them are briefly described above. As a professional manufacturer dedicated to providing high-quality rapid prototyping and mass manufacturing services, JTR is able to provide a variety of surface treatment services, including various types of electroplating processes. We clearly understand the differences and characteristics of different processes and can customize the most suitable manufacturing solution according to your needs. If you need it, please feel free to contact us.