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    Home > Coatings News > Paints and Coatings Market > Aluminum profile electrophoresis coating technology

    Aluminum profile electrophoresis coating technology

    • Last Update: 2020-12-29
    • Source: Internet
    • Author: User
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    China Coatings Online News
    China's aluminum profile industry, after 20 years of development, has formed a good industrial system, into one of the pillar industries of the national economy. The output value of raw aluminum has reached more than 2.5 million tons, accounting for the third place in the world, with more than 1000 aluminum processing companies, production capacity has reached 3.5 million tons / year, aluminum profile output value has reached 1 million tons / year. At present has entered the period of high-grade development, the rapid development of aluminum profiles, from a single copper material to with powder coating, spray fluorocarbon coating, organic and inorganic dyeing, electrophoretic coating, mechanical and chemical polishing and other technical techniques, a new generation of wood-grained Disposal skills, three-stage electrolytic multi-color coloring and micro-arc oxidation coloring skills are also in trial production, aluminum profiles have the appearance of titanium, gold, champagne, imitation stainless steel and a variety of colors, as well as the appearance of mirror, sand, light, pearl and other special role. Of the many exterior disposal skills, electrophoresis coating is the most suitable skill for the direction of development. Aluminum profiles are anodeized and electrolyticly colored before electrophoresis coating, with double maintenance. With high-quality, high metal texture, high corrosion resistance and high weather resistance, than painting, powder spray more decoration, by the user like, has been widely into the home decoration, potential shopping malls are great. Second, the simple implementation of technology, as long as the original line of origin to add a few grooves and aluminum oxide coloring constitute assembly line production, water-soluble electrophoresis coating safety, can complete the closed-circuit cycle, conducive to environmental protection. Third, and more importantly, electrophoresis profiles are more attractive, high-end, luxury profile models. With electrophoresis coating line into aluminum profile factory inductive skills level of an important symbol.features of electrophoresis coating of aluminum profilesSince the 1930s, when electrophoretic coatings were used on the wheel coating lines of Ford Motor Company, their application has been rapidly developed. Clear, weather-resistant acrylic and polyurethane electrophoretic coatings since the 1970s has been successfully used in the decoration and maintenance of metal exterior, such as copper signboard maintenance, stainless steel and electroplating finished decoration and maintenance, as the final maintenance of the decoration layer is the most representative of the construction of aluminum profiles of electrophoretic coating.Aluminum profile traditional exterior disposal technology is oxidation, coloring and off disposal, this aluminum conversion film in the outdoor long-term use, especially in acid rain or marine environment, simple corrosion, poor durability, so since the 1970s, we try to use paint coating methods to improve the construction of aluminum profile decoration performance and application years, currently, has been successfully used in electrophoretic paint, powder coating and fluorine spraying. Because electrophoretic coating is water-based paint, aluminum after the pre-disposal wash can be direct electrophoresis, electrophoretic coating with high clarity, both high decoration and outstanding aluminum profile of its own metallic gloss, so in the construction of aluminum profile has been increasingly used electrophoresis coating.electrophoresis coating method and other coating methods have the following advantages:(1) easy to complete automated production. Because electrophoresis coating in the hydrophoresis tank, and anode oxidation, electrolysis coloring technology is similar, the disposal time is short, simple completion of the entire technology assembly line work.(2) coating film is uniform and fine. Because of the high swimming permeability of electrophoresis coating, the complex shape of the profile can also obtain a uniform coating film, together after adjusting the charge can control the film thickness.(3) paints are used at a high rate. Because of the low viscosity, less work parts out, and electrophoresis work parts can be washed, the use of the recovery device so that electrophoresis coating paint uity of more than 95%.(4) safety and environmental protection. Because the water dilution of electrophoresis coatings, low solids, low solvent content is environmentally friendly coatings, and eliminate the risk of fire, workers' health is also guaranteed.(5) coating film quality is good. Acrylic resin with amino resin curing, to ensure the coating of high decoration and high corrosion resistance, together because the resin is highly clear, effective outstanding metal texture, as needed can also get sublight, sand, pearl and other decoration role.
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