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Sulfuric acid anodizing

Sulfuric acid anodizing

Many aluminum products utilize this coating! Introducing the common treatment processed in a sulfuric acid bath!

"Sulfuric anodizing" refers to a coating that has a silver metallic color and features the ability to be dyed in various colors due to the pores formed on its surface. Many aluminum products, such as the exterior colors of iPhones and aluminum sashes, utilize this coating. It has economic advantages, such as low chemical costs and low wastewater treatment costs. 【Specifications (partial)】 ■ Treatment Overview: A general treatment performed in a sulfuric acid bath ■ Main Purpose and Characteristics - Corrosion resistance, decorative (coloring) - Coating thickness: 5–20μm - Color: Colorless to gray ■ Economic Efficiency: Low chemical costs, low wastewater treatment costs ■ Transparency: Transparent coating (colored depending on the alloy) *For more details, please refer to the PDF document or feel free to contact us.

  • Surface treatment contract service

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Sulfuric acid anodized coating (sulfuric acid method anodic oxidation film)

Sulfuric acid anodized coating (sulfuric acid method anodic oxidation film)

Selectable according to usage! We provide stable products through reliable liquid management, temperature management, and expertise.

"Sulfuric anodizing" is the most popular type of anodizing, resulting in a coating obtained by anodizing aluminum in a sulfuric acid solution. Its clear color provides a beautiful appearance that retains the texture of aluminum, along with a hard surface and high corrosion resistance for the product. Our company has one of the largest processing lines among specialized manufacturers, capable of handling large parts. For sealing treatments, options include nickel acetate sealing, hexavalent chromium sealing, steam sealing, hot water sealing, and low-temperature sealing. 【Features】 - In the case of corrosion-resistant alloys, the transparent coating results in a silver-white appearance, allowing the metallic texture of aluminum to shine through. - Depending on the type of alloy and the thickness of the coating, natural coloration can be observed. - Utilizing the clear coating and good adhesion, colorful dyeing is possible. - Particularly excellent in sliding wear resistance and good galling resistance. - Depending on the alloy, coatings of over 30μm can also be produced. - Protects products from scratches, wear, and corrosion in general applications. *For more details, please refer to the PDF document or feel free to contact us.

  • Surface treatment contract service

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