Aluminum has been used for manufacturing metal parts in the industry for very long. Aluminum is incredibly popular in the manufacturing industry because of its particular properties, such as high strength, durability, lightweight, and flexibility.
But like other metals, its surface also needs to be made corrosion resistant and wear resistant. That’s when you need an experienced hardcoat anodizing company.
Hardcoat anodizing or Anodize Type III is an electrochemical process of forming a layer of aluminum oxide on the surface of the aluminum substrate.
Unlike other metal finishing processes, the layer of aluminum oxide is not coated or deposited on the aluminum substrate, but the surface of aluminum substrate is converted into the oxide film and sealed with a sealant. Therefore, it makes such a strong layer of aluminum oxide on the surface of the substrate that does not chip or peel. It makes aluminum surface resistant against corrosion, abrasion, and wear.
How Hardcoat Anodizing happens?
In this process, the aluminum substrate is submerged into the sulphuric acid electrolyte bath along with a cathode. And then high voltage electric current is passed through the electrolytic solution which forms the oxygen ions. Aluminum part acts as an anode and reacts with the oxygen ions to form the layer aluminum oxide on its surface. It makes a porous layer of aluminum oxide on the surface of aluminum part which is then sealed with sealant or paint.
Anodized type III is a highly controlled oxidation process. It should be performed by the experienced hardcoat anodizing company. Anodizing finishing is hard and highly resistant against corrosion. Anodized aluminum parts can be used in a variety of application such as the manufacturing of aircraft parts, military weapons, structural components of satellites, building exteriors and household products.
Benefits of Hardcoat Anodizing
Durability
It is extremely durable and hard. It does not chip or peel. It is designed to treat aluminum parts which are used in damaging and corrosive environments. It provides far better protection than wet paint or powder coating. It increases the corrosion resistance, abrasion resistance, and wear resistance of aluminum parts.
Inexpensive
Hardcoat anodizing is an economical finishing process. It lasts long and maintenance free. You do not have to refinish the aluminum parts from time to time.
Quality Finishing
It forms a very thin and porous layer of aluminum oxide. Therefore, it provides a perfect base for sealing and painting. You can give any desired color to aluminum parts. It gives high-quality finishing and improves the aesthetics of aluminum parts.
Environment-friendly
It is the enhancement of the naturally occurring phenomena which makes it environment-friendly. It does not release any volatile organic compounds or harmful chemicals in the environment. It forms non contaminating layer on aluminum parts which are safe for consumers.
Lubrication
It significantly improves the lubrication of aluminum parts and prevents them from galling. Also, anodized aluminum parts are flame resistant and nonconductive. Therefore, it is used for the finishing of machinery parts.
This was a brief guide of hardcoat anodizing. You can hire an experienced hardcoat anodizing company for high-quality finishing of your aluminum parts.
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