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Such a big influence on aluminum oxide

2020-08-07

Aluminum profile production including casting, extrusion and three oxidation process. These three process is crucial, the following will tell you about a very important link - the oxidation process.


As people know about oxidation consciousness constantly, people also pay more attention to oxidation. To tell the truth, surface oxidation treatment is necessary, its effect is very obvious.
Why do you want to proceed with oxidation treatment? Aluminum profile extrusion good, its surface corrosion resistance is not strong, must through the anodic oxidation surface treatment to increase the corrosion resistance and wear resistance of aluminum and aesthetic appearance.
Oxidation of main process is:
(1) the surface pretreatment: use the method of chemistry or physics was carried out on the material surface cleaning, naked, pure matrix for obtain complete, the density of artificial oxide film. You can also get a mirror or by mechanical means no light (matte) surface.
Anode oxidation: (2) the surface pretreatment of profiles, under certain technological conditions, substrate surface anodic oxidation, generate a layer of dense, porous, strong adsorbability AL203 film layer.
(3) hole sealing: will be generated after anodic oxidation membrane pore sealing of porous oxide film, the oxide film pollution prevention, corrosion resistance and wear resistance increased. Oxide film is colorless, transparent, the use of hole sealing before oxidation film of strong adsorption, in some metal salts adsorption sedimentation of film hole, can make the profiles look outside show ecru (silver) many colors, such as: black, bronze, golden color and stainless steel, etc.


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