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Anodic oxidation of aluminium: what it is, how it works and what benefits it offers

Aluminium is a material prized for its lightness, versatility and strength. But how can we further improve its properties and make it more durable over time? Through anodic oxidation, a surface treatment that enhances its protection and improves its aesthetic appearance. Let’s find out how it works and what the main stages of the process are.

What is anodic oxidation of aluminium?

Anodic oxidation, also known as anodising, is an electrochemical process that creates a protective oxide layer on the surface of aluminium, improving its resistance to corrosion, wear and external agents.

Unlike traditional painting, which deposits a layer of material onto the surface, anodising directly modifies the metal’s surface layer, transforming it into aluminium oxide.

The result is a protected, resistant and durable surface that retains the material’s aesthetic characteristics and can be further enhanced through specific finishes and colours.

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