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Introduction Of Anodized Aluminium Plate

Anodized aluminum plate is placed in the corresponding electrolyte (such as sulfuric acid, chromic acid, oxalic acid, etc.) as an anode, under certain conditions and under the influence of applied electricity, electrolysis. Anodized aluminum plate on the surface of the formation of alumina thin layer, its thickness is 5~20 microns, hard anodized film up to 60~200 microns. Aluminum anodic oxidation, improve its hardness and wear resistance, can reach 250 to 500 kg / mm2, good heat resistance, hard anodic oxidation film of high melting point of 2320K, excellent insulation, high breakdown voltage up to 2000V, enhance the corrosion resistance in salt fog after thousands of hours of Omega =0.03NaCl corrosion. Oxide film has a large number of microporous, can be adsorbed a variety of lubricants, suitable for the manufacture of engine cylinders or other wear-resistant parts; membrane microporous adsorption capacity, can be painted into a variety of beautiful and gorgeous colors. Non ferrous metals or their alloys (such as aluminum, magnesium and their alloys) can be anodized.


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