Anodizing is a process in which an oxide film is formed on the surface of aluminum through electrolytic oxidation. The aluminum material is placed in an electrolytic bath with electrolyte, and current is applied to cause the aluminum surface to begin an oxidation reaction to form an aluminum oxide film. The colorless and porous nature of the anodic oxide film is used to dye and protect the aluminum matrix.
In the building decoration industry, anodized aluminum is chosen by more and more people. Compared with traditional building materials, what are the advantages of anodized aluminum?
1. Good processability
The anodized aluminum plate has strong decorative properties and moderate hardness. It can be easily bent into shape and subjected to continuous high-speed stamping, making it easy to directly process it into products without the need for complex surface treatments, greatly shortening the product production cycle and reducing product production costs.
2. Good weather resistance
The anodized aluminum plate with a standard thickness oxide film (3μm) will not discolor, corrode, oxidize or rust for a long time when used indoors. The anodized aluminum plate with thickened oxide film (10μm) can be used outdoors and will not discolor after being exposed to sunlight for a long time.
3. Good surface quality and beautiful appearance
The anodized aluminum plate has high surface hardness and good scratch resistance; at the same time, the anodizing process allows the natural beauty of the aluminum surface to shine, retaining the metallic color of the aluminum plate while offering more color options.
4. High fire resistance
Pure metal products, without paint or any chemical substances on the surface, will not burn at 600 degrees high temperature, will not produce toxic gases, and are safe.
5. Strong stain resistance
The anodized aluminum plate has super anti-fouling properties, is not easy to leave fingerprints and other stains, is easy to clean, and does not produce corrosion spots.
6. Strong applicability
Anodizing is suitable for many series and brands of aluminum alloys; it is also suitable for aluminum coils with different surface treatments (Mill, Bright, Polished, Hairline, Stucco, Embossed, Etching, etc.); the product has a wide range of uses and is suitable for metal aluminum ceilings. Curtain wall aluminum panels, aluminum-plastic panels, fireproof panels, honeycomb aluminum panels, aluminum veneers, electrical panels, cabinet panels, furniture panels, etc.
Different grades of aluminum alloys have different compositions, heat treatment processes and corresponding processing morphologies, and therefore have different anodizing characteristics. Not all types of aluminum alloys are suitable for anodizing. The aluminum plates commonly used for anodizing are mainly 1xxx. series, 3xxx series, 5xxx series and 6xxx series aluminum alloy plates. Common and commonly used ones are the following:
1060 H14 anodized aluminum: Pure aluminum plate, usually used for general purposes;
3003-H14 anodized aluminum: can be used as general curtain wall
5005-H34 anodized aluminum: Aluminum alloy sheet containing magnesium, commonly used in building and structural applications
5052-H32 anodized aluminum: usually used in applications requiring high corrosion resistance and is a common material for high-end curtain walls
6061-T6 anodized aluminum: This is a heat-treated aluminum alloy, usually used in aircraft parts, ship parts, automobile manufacturing parts, building decoration hardware, etc.
Anodized aluminum is widely used in building decoration, such as building facades,interior wall cladding,ceilings and partitions,column cladding,decorative elements,signage and wayfinding,doors and entrances,sunshades and louvers.
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