The full coloring process of aluminum profiles
[China Aluminum Network] Before the aluminum material is colored, it is necessary to oxidize the aluminum material. When squeezing a good aluminum alloy material, the corrosion resistance of the aluminum material is not strong, and the surface treatment must be performed by anodizing to increase the resistance of the aluminum material. Erosion, wear resistance and appearance of the appearance.
Its main process is:
(1) Surface pretreatment: The surface of the profile is chemically or physically cleaned to expose a pure matrix to facilitate obtaining a complete, dense artificial oxide film. It is also possible to obtain a specular or matt (matte) surface by mechanical means.
(2) Anodizing: After surface pretreatment of the profiles, anodization occurs on the surface of the substrate under certain process conditions to form a dense, porous, strong AL203 film layer.
(3) Sealing: The pores of the pores of the porous oxide film formed after the anodization are closed, so that the oxide film is prevented from contamination, corrosion and abrasion resistance. The oxide film is colorless and transparent. By using the strong adsorption of the oxide film before sealing, some metal salts can be adsorbed and deposited in the film pores, which can make the appearance of the material besides the colors (silver white), such as: black, bronze, Gold and stainless steel and so on.
Related Information:
China Zhongwang Holdings Co., Ltd. is a global leader in the research, development and manufacture of industrial aluminum profiles and is dedicated to the lightweight development of transportation, mechanical equipment and power engineering. According to statistics, Zhongwang Group is currently the world’s second largest R&D and manufacturer of industrial aluminum profiles in Asia and China. The company's headquarters is built with the world's leading aluminum alloy tilt casting equipment and Asia's larger special aluminum mold design and manufacturing center. The company has a number of global certifications for railways, ships and other industries. It mainly produces high-precision, large-section high-value industrial aluminum profiles. On May 8, 2009, Zhongwang Group was successfully listed on the main board of the Hong Kong Stock Exchange (stock code 01333). The company will develop the high-end aluminum rolling material business with an annual production capacity of 3 million tons in phases, and implement the overall production capacity in 2018.
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