Anodizing is an electrochemical process which converts the surface of the metal into a long-lasting, high performance aluminum oxide finish.
This protective finish makes it very hard and durable, and enhances its resistance to corrosion.
The anodizing process is, in simplified terms, the highly controlled enhancement of a phenomenon that already occurs naturally - oxidation.
Aluminium is well-suited to anodizing, making it one of the most respected and commonly used materials for consumer, commercial and industrial products in comparison to other metals.
Other nonferrous metals, such as magnesium and titanium, can be anodized, but the composition of aluminium makes it ideally suited to the process.
The unique anodized finish is the only one in the metals industry that satisfies each of the factors that must be considered when selecting a high-performance aluminum finish that is required for luxury items and interior design such as loud speakers, lighting, electronics, watches and trays.
ALUMINIUM ANODIZING
Anodizing is an electrochemical process which converts the surface of the metal into a long-lasting, high performance aluminum oxide finish. Because it is integrated into the metal rather than just applied to the surface, it cannot peel or chip. This protective finish makes it very hard and durable, and enhances its resistance to corrosion. Depending on the process, the anodized finish is the second-hardest substance known to man, exceeded only by the diamond.
The anodizing process is, in simplified terms, the highly controlled enhancement of a phenomenon that already occurs naturally: oxidation. The aluminium is immersed in an acid electrolyte solution through which attached electrodes pass an electric current at very low temperatures. The result is a high-performance, hardcoat surface. However, the metal remains porous so it can be colored and sealed, or undergo additional processing, if desired.
BENEFITS OF ANODIZING ALUMINIUM
Aluminium anodizing creates an extremely hard surface that can withstand extreme wear and tear. This includes industries such as military and defense, construction, applications such as elevator doors and escalators, and even home cookware. The primary benefits of anodizing aluminium include:
DURABILITY
- The finished product will enjoy a long lifespan and require little maintenance
- Stable color
- Anodizing dyes seep into the metal, making them very stable. Anodized aluminium maintains its color in spite of exposure to UV rays. It will not flake, peel or chip, and extrusions will look factory new for years.
INTERESTED IN MATERIAL PROPERTIES?
Read more about what you should know about anodizing: www.shapesbyhydro.com/en/mate...
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Read more about what you need to know about hard anodizing:
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We have presence all around the world, such as in Portland, Oregon, USA.
Hydro's Extrusion plant in Portland, Oregon, USA provides extrusion, machining, fabrication, and finishing services. Hydro Portland also provides in-house painting and anodizing services: www.hydro.com/en-NO/about-hyd...
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Hydro - the energy and aluminium company
Hydro is a leading industrial company that builds businesses and partnerships for a more sustainable future. We develop industries that matter to people and society.
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Since 1905, Hydro has turned natural resources into valuable products for people and businesses, creating a safe and secure workplace for our 34,000 employees in more than 140 locations and 40 countries.
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