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        How should aluminum profiles be colored?

        Before coloring, aluminum profiles should be oxidized first. For extruded aluminum alloy profiles, the surface corrosion resistance is not strong, and surface treatment must be carried out through anodizing to increase the corrosion resistance, wear resistance and appearance beauty of aluminum profiles.

         

         

        The main process is as follows:

        (1) surface pretreatment: clean the profile surface with chemical or physical methods, expose the pure matrix, so as to obtain complete and dense artificial oxide film. A mirror or matte (matte) surface can also be obtained by mechanical means.

        (2) anodizing: under certain technological conditions, anodizing occurs on the surface of the surface of the profile after surface pretreatment, forming a dense, porous and strong adsorption Al203 film.

        (3) sealing: the pores of the porous oxide film formed after anodizing are sealed to enhance the anti pollution, anti-corrosion and wear resistance of the oxide film. The oxide film is colorless and transparent. By using the strong adsorption of the oxide film before sealing, some metal salts are adsorbed and deposited in the membrane hole, which can make the profile appearance show many colors other than the natural color (silver white), such as black, ancient copper, golden yellow and stainless steel.


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        COMPANY:Fujian MingLv Aluminum Co., Ltd.

        Contact:Mr. ZHENG

        Tel:+86-0592-5718928

        Phone:+86-13779947258

        Email:120514135@qq.com

        Add:No.44 hongcuoli, Dongren Road, Jimei District, Xiamen, China

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