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Anodized aluminum - the "Rolls-Royce" of aluminum sheet industry

time：2022-07-13　　views：3426

- Material Archives -

01. Material overview

Anodized aluminum plate is to place the aluminum plate in the corresponding electrolyte (such as sulfuric acid, chromic acid, oxalic acid, etc.) as an anode, and conduct electrolysis under specific conditions and the action of an applied current.

A dense oxide film is formed on the surface of the aluminum plate, and the colorless and porous nature of the anodic oxide film is used to achieve the purpose of dyeing and protecting the aluminum matrix.

02. The process of anodizing

The process of anodizing is mainly from degreasing→etching→neutralization→anodizing→coloring→sealing.

03. Performance characteristics

a. Good workability

The anodized aluminum plate has strong decorative properties and moderate hardness. It can be easily bent and formed for continuous high-speed stamping, which is convenient for direct processing into products without complicated surface treatment, which greatly shortens the production cycle and reduces production costs.

b. Good weather resistance

The anodized aluminum plate with standard thickness oxide film (3μm) will not discolor, corrode, oxidize or rust in indoor use for a long time. The anodized aluminum plate with thick oxide film (10μm) can be used outdoors and can be exposed to sunlight for a long time without discoloration.

c. Strong sense of metal

The surface hardness of the anodized aluminum plate is high, reaching the gem level, with good scratch resistance, and the surface is not covered with paint.

d. High fire resistance

Pure metal products, no paint and any chemical substances on the surface, no combustion at 600 degrees, no toxic gas, in line with fire protection and environmental protection requirements.

e. Strong stain resistance

No fingerprints, there will be stain marks, easy to clean, no corrosion spots.

f. Strong applicability

Wide range of uses, 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.

04. Application areas

The application field of anodized aluminum plate is very wide, such as the field of architectural decoration, the field of furniture and household appliances, etc.

a. Building decoration industry such as building facade, curtain wall, interior wall top surface, etc.