Anodized aluminum

Anodizing is a process used to increase the thickness of the natural oxide layer on the surface of metal parts. It increases corrosion and wear resistance, and during the process the anodized aluminum surface can be dyed into many different colors,such as gold anodized aluminum sheet,black anodized aluminum sheet,white anodized aluminum sheet ect.

Basic principle: aluminum cathode oxidation is essentially the electrolysis of water. When water is electrolyzed, O2 – ions react with anodic aluminum to form alumina (Al2O3). Generally, sulfuric acid, chromic acid, phosphoric acid and oxalic acid are selected as the electrolyte to form a hard porous oxide film in sulfuric acid at about 0C. Different materials have great influence on the oxide film. For 6000 series Al Mg Si (6063.6061.6065), it can form not only protective oxide film, but also dyeing oxide film and bright oxide film. However, for cast aluminum alloy, it can form protective oxide film, but dyeing oxide film can only form thick color.

Anodized Aluminum is stronger and more durable than mill finish aluminum. The process of anodizing allows for the steel to embody these characteristics. Anodizing involves an aluminum coil or sheet being placed into a chemical acid bath. An electrical current is passed through the acid, causing the surface to oxidize. The oxidation forms a strong coating on the surface of the aluminum.

Anodized Aluminum Type:Anodized Aluminum Sheet,Anodized Aluminum Foil,Anodized Aluminum Coil,Anodized Aluminum Strip

Henan Huawei Aluminum Co., Ltd

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length:under 12000mm, 0.2 – 100 mm thin aluminum sheet and thick plate, which are used in diverse industrial applications. Such as:aircraft grade aluminum sheet, marine grade aluminium alloy sheet and so on.

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Abrupt Guide On Aluminum Sheet Price, Uses, And Production Process

Aluminum Sheet Overview Aluminum sheets, otherwise called aluminum plates, result from exposed simple structure aluminum being squeezed and moved into board structure under high tension. An aluminum sheet is exceptionally slender and lightweight yet solid enough to offer outrageous flexibility close by inborn simplicity of establishment and upkeep. It likewise flaunts various other novel and significant properti ...

Six characteristics of anodized aluminum sheet plate

(1) The anodized aluminum plate has good processability: the anodized aluminum plate has strong decorative properties and moderate hardness, and can be easily bent and formed for continuous high-speed stamping, which is convenient for direct processing into products without complex surface treatment, which greatly shortens the product production cycle and reduce product production costs. (2) The anodized alumi ...

Know More About Anodized Aluminum Sheet

The aluminum plate of the anode is oxidized, and a thin layer of aluminum oxide is formed on the surface with a thickness of 5 to 20 microns, and the hard anodized film can reach 60 to 200 microns. The anodized aluminum plate improves its hardness and wear resistance, up to 250-500 kg/mm2, has very good heat resistance, the hard anodized film has a melting point of up to 2320K, excellent insulation, and breakdown ...

Anodizing treatment method of aluminum surface

Surface pretreatment No matter what method is used to process aluminum materials and products, there will be dirt and defects on the surface to varying degrees, such as dust, metal oxides (natural or aluminum oxide films formed at high temperatures), residual oil, asphalt marks, artificial Carrying mudra (the main components are fatty acids and nitrogenous 1. Oxalic acid anodizing Most of the factors that affe ...

What’s oxidation reaction of cathode aluminum plate ?

Cathodic aluminum oxide plate is different from anodized aluminum plate, which is to place the aluminum plate in the corresponding electrolyte (such as sulfuric acid, chromic acid, oxalic acid, etc.) as the cathode, and conduct electrolysis under specific conditions and applied current. Cathode aluminum plates are widely used in machinery parts, aircraft and auto parts, precision instruments and radio equipment, ...

Advantages and application of anodized aluminum plate

Advantages of anodized aluminum plate Good processability: the anodized aluminum plate has strong decoration and moderate hardness. It can be easily bent and shaped. It can carry out continuous high-speed stamping. It is convenient to directly process into products without complex surface treatment, greatly reducing production cycle and production cost. A kind of Good weather resistance: the anodized alum ...