copper electroplating

Many metal parts are fully finished with the copper coating process. As copper is corrosion-resistant, most metal manufacturing units use copper coating or electroplating to enhance the look and conductivity.

The copper coating helps to layer up the surface protection, while the copper electroplating process uses electricity to layer metal conductivity. Though both copper coating and the copper electroplating process sound similar, the way they work and produce metal outcomes is completely different.  

Let’s dive into the blog to explore what copper coating and copper electroplating are and their key features and differences in work form in the manufacturing units.

What is Copper Coating?

Copper coating processes play a significant role in the metal’s appearance and its prolonged usage. In the industrial metal plating, the copper coating process moulds a layer of copper on the material surface to protect the material from corrosion and to enhance its appearance and conducting nature.

This copper coating process of spraying helps the copper particles or compounds to bond with the metal surface in physical or chemical terms without any course of electrical current.

According to the needs of material-thick and thin firms, the layer of copper coating is applied. However, before the copper coating process, cleaning and pretreating the material base is essential to maximise its bonding nature. After coating, the material can be polished, and drying may be performed to get the desired surface quality.

Key Features of Copper Coating Process

  • The copper coating process is usually designed with mechanical and thermal processes, where copper particles bond with the surface easily without any issues. According to the methods of copper coating, it can be applied to both conductive and non-conductive materials for reliable functionality.
  • A reputed metal plating company uses a simple copper coating process with manual sparring techniques and uses less chemical-intensive techniques to get a nice surface on the materials without huge environmental impacts.
  • Based on the material desired form and thickness, the copper coating can be deposited for a nice finish, and its adhesion strength and surface preparation are less uniform than those of electroplating.
  • Its protective coating can be used in various places, such as industrial parts, decorative finishes, electrical conductivity increase in cables, architectural applications and others.

What is Copper Electroplating?

On the other hand, copper electroplating is a specific electrochemical process where a metal piece is coated and submerged in an electrolyte solution that carries copper ions. With the passage of electrical current in the solution, copper ions bond and settle onto the conductive surface. It helps the material bond tightly and uniformly on the metallic layer.

However, before the electroplating process, the material needs to be conductive and properly cleaned for the process. Even the slightly settled dust or other objects on the material can deform the coating and affect the overall process. 

This process offers excellent control over coating thickness, smooth finish, and adhesion and makes it ideal for equipment for material that requires high electrical conductivity, corrosion resistance, or base layers for metal plating service.

It is commonly used in electronics, automotive connectors, and industrial parts where the material durability and precise copper settlement play a crucial role.

Key Difference In The Metal Copper Coating And Electroplating Process 

Here is the list of differences between the process and metal-settling nature of copper coating and electroplating for metal barrel plating service.

AspectsCopper Coating Copper Electroplating 
Process TypeCopper coating uses thermal and mechanical processes to bond the copper particles on the surface. Copper electroplating uses an electrochemical process in a solution filled with copper ions to bond the copper particles. 
Coating Thickness According to the copper spraying coating techniques, the thickness of the coating varies. Unlike the copper coating, the electroplating process ensures the settling of the copper ions in a pack of uniform particles with precise control of layering. 
Surface Preparation Depending on the desired metal nature, the material is prepared for coating. The Electroplating process needs proper cleaning and preparation of the material for better copper bonding. 
Application Form Copper Coating is generally used with broad spraying techniques to coat the material for protection, conductivity and design. Electroplating uses a copper solution to provide a uniform surface to ensure electrical conductivity, corrosion resistance and plating bases.
Control Over Finishes Due to broad coating, copper coating is limited in precision and gives a tough and textured finish. Its uniform spread of copper electroplating ensures high precision and brings a smooth and consistent material finish.
Cost Effective Copper coating is highly cost-effective and easily covers the equipment range, from simple to complex, according to the metal form. The electroplating process is fine with specialised equipment for material preparation and electricity control for proper material delivery. 
Environmental ImpactCopper Coating usually generates less chemical waste for material coating. It uses chemical baths and needs a proper waste management system to handle.It use chemical baths and need a proper waste management system to handle 

The Final Verdict

Both copper coating and the electroplating process have a unique way of handling and designing the material. The copper coating process presents different ways of applying copper layers to surfaces, such as spraying and chemical deposition, compared to electroplating, which provides uniform, thin copper layers with excellent adhesion, electrical conductivity, and corrosion resistance.

 If you are looking for a reliable metal coating and manufacturing unit, then check with Eigen and Engineering, who provide reliable work in metal stamping and dies. Their skilled copper coating suits applications where thicker, less precise coatings are acceptable for the material. while their electroplating is ideal for thin, uniform, and highly precise copper layers, while copper coating is better suited for thicker coatings.