Chem-Film, also known as Alodine, is a chemical conversion coating process applied on aluminum and its alloys. The metal is immersed in a solution containing reactive chemicals that form a protective layer on its surface.
Compared to other methods like anodizing and electroplating, chem-film treatment focuses more on forming a thin yet effective conversion coating to provide corrosion resistance and superior surface protection.
Chem-film treatment involves a chemical reaction between chemicals and the surface of aluminum alloys to form a conversion coating, enhancing the corrosion resistance and other properties of aluminum alloys.
Yes, chem-film treatment typically retains the conductivity of aluminum alloy while improving corrosion resistance.
The durability of corrosion resistance depends on the specific application environment and the application of the components. In some cases, chem-film treatment can provide long-term corrosion protection.
Chem-film is mainly used in aerospace, automotive, electronics, and other fields to improve the corrosion resistance of aluminum alloys, enhance conductivity, and provide aesthetic improvements.