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Anodized aluminum plate

The aluminum plate of the anode is oxidized, and a thin layer of aluminum oxide is formed on the surface, the thickness of which is 5-20 microns, and the hard anodized film can reach 60-200 microns. The anodized aluminum plate has improved its hardness and wear resistance, up to 250-500 kg/mm2, good heat resistance, the melting point of the hard anodized film is as high as 2320K, excellent insulation, and the breakdown voltage is as high as 2000V, enhanced corrosion resistance, no corrosion in ω=0.03NaCl salt spray for thousands of hours. There are a large number of micropores in the thin oxide film, which can adsorb various lubricants, which is suitable for manufacturing engine cylinders or other wear-resistant parts; the film micropores have strong adsorption capacity and can be colored into various beautiful and gorgeous colors. Non-ferrous metals or their alloys (such as aluminum, magnesium and their alloys, etc.) can be anodized.

Chemical oxidation aluminum sheet

Chemical alumium sheet is a process in which part of the base metal reacts on the aluminum board in a weak alkaline or weak acid solution to thicken the natural oxide film on the surface or produce some other passivation film. The commonly used chemical oxide film is chromic acid film. And phosphoric acid membranes, they are thin and have good adsorption properties, and can be colored and sealed.