Types of Electrophoretic Paint

Publication time:2024/12/24 Reading volume:72 Source: Shenzhen Zhibang Technology Co., Ltd
  Electrophoretic paint, also known as electrophoretic coating, is a technology that applies coatings through electrochemical principles. It utilizes the action of an electric field to deposit cha...

  Electrophoretic paint, also known as electrophoretic coating, is a technology that applies coatings through electrochemical principles. It utilizes the action of an electric field to deposit charged paint particles onto the surface of a workpiece, forming a uniform and dense coating. Electrophoretic paint boasts excellent corrosion resistance, high adhesion, environmental friendliness, and energy efficiency, making it widely used in various industrial fields such as automobiles, home appliances, furniture, and more. This article will delve into the types of electrophoretic paint to provide readers with a deeper understanding of this technology.

  Electrophoretic paint can be classified into several types based on its properties and functions, with anode electrophoretic paint and cathode electrophoretic paint being the most common. Anode electrophoretic paint uses anionic resins as film-forming substances and was previously widely used. However, due to its relatively weaker corrosion resistance, its application scope is now narrower compared to cathode electrophoretic paint. Anode electrophoretic paint is mainly applied for the protection of aluminum products, such as post-oxidation protection of aluminum materials, with a gloss range of 50-90 degrees and a relatively thin paint film.

张留辉4_proc.jpg

  Cathode electrophoretic paint is currently the most widely used type of electrophoretic paint. It employs cationic resins as film-forming polymers, offering excellent corrosion resistance, hardness, and chemical resistance. Cathode electrophoretic paint can be further subdivided into epoxy resin cathode electrophoretic paint, acrylic cathode electrophoretic paint, and polyurethane cathode electrophoretic paint.

  Epoxy resin cathode electrophoretic paint boasts superior salt spray resistance and deep-hole electrophoretic penetration capabilities, making it suitable for primer corrosion protection and widely used in automotive primers, electromechanical products, furniture, home appliances, and other fields. This electrophoretic paint forms a hard and dense coating that effectively prevents the erosion of corrosive media and extends the product's service life.

  Acrylic cathode electrophoretic paint is renowned for its light-colored coating, high gloss, and excellent gloss retention. It is suitable for decorative electrophoretic topcoats or clear coats that serve as both a base and finish, widely applied to metal eyeglass frames, hardware tools, electronic products, and more. Acrylic cathode electrophoretic paint provides products with a bright appearance and good gloss, enhancing the overall quality of the product.

  Polyurethane cathode electrophoretic paint offers the best weatherability, gloss retention, decoration, and corrosion resistance but at a higher price. It is primarily used for high-end decorative topcoats, such as trophies, eyeglass frames, and crafts. Polyurethane cathode electrophoretic paint forms a tough and wear-resistant coating that protects products from external environmental erosion while giving them an elegant appearance.

  Besides the aforementioned common types of electrophoretic paint, there are also two-component electrophoretic paint and one-component electrophoretic paint. Two-component electrophoretic paint consists of a main agent and a curing agent, usually offering higher performance and broader applicability. This type of electrophoretic paint can form a more durable and resilient coating after curing, suitable for high-demand industrial coatings such as automotive coatings and electrical coatings. One-component electrophoretic paint is easy to use and does not require the addition of a curing agent, but its performance is generally not as comprehensive as two-component electrophoretic paint. It is mainly used for general coating requirements, such as architectural coatings and plastic coatings.

  The types ofelectrophoretic paint are numerous, with each type having its unique characteristics and application fields. With the continuous development of technology, the types and functions of electrophoretic paint are constantly being updated, providing more industries with efficient and long-lasting coating solutions. When selecting electrophoretic paint, comprehensive consideration should be given based on the specific needs of the product and the coating environment to ensure the best quality and performance of the coating.


Contact us More +

Telephone(Tel) +86 138 2331 5594 E-mail: 664772642@qq.com
Address:Room 1501, Building 1, Hegushan Huicheng, Guangtian Road, Yanluo Street, Baoan District, Shenzhen
WeChat