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Powder coating of aluminum profiles spraying three elements

Views: 1     Author: Site Editor     Publish Time: 2021-08-10      Origin: Site


Powder coating of aluminum profiles spraying three elements

powder spraying of aluminum profile (1)

Powder coating for aluminum profiles is used, the process is electrostatic spraying, the use of abrasive spray gun, under the influence of accelerating wind, so that the powder particles sprayed out of the gun body when carrying a positive charge, and negatively charged profiles in contact with the electrostatic adsorption, and then after high temperature curing. It also enhances the adsorption strength of the coating, and the aluminum coil tape prevents the paint film from falling off.

         At present, the powder coating often used in three-sided advertising is weather-resistant polyester powder coating. Most of the polyester resins used in powder coating are saturated, and usually we can divide them into two categories according to the structure of their end groups: end carboxyl and end hydroxyl. When aluminum profiles are coated with powder and then combined with heat transfer technology, it makes it more fashionable and trendy, so that powder coating profiles have a greater space for development.

Powder coating spraying has a relatively simple process and high yield rate, in general, if the measures are appropriate, the generation of substandard products can be controlled to the maximum; energy consumption is significantly reduced, in the production process of ordinary anodic oxidation and electrophoretic coating, the consumption of water and electricity is quite large, especially in the oxidation process of industrial aluminum profile processing. The degree of pollution to water and atmosphere is reduced, and the caustic soda, sulfuric acid and other liquid organic solvents are no longer used to reduce water and atmospheric pollution, which also effectively improves the competitive strength of aluminum profiles and plastic steel profiles as environmentally friendly products, and accordingly reduces some production costs; the labor intensity of workers is obviously reduced, and due to the adoption of automated assembly line operation, the way of loading industrial aluminum profiles and the way of using fixtures have been significantly simplified, which improves the production efficiency and also reduces the labor intensity; the standard of surface quality requirements for the wool material is significantly reduced, which improves the surface quality of the finished aluminum profiles; some physical indicators of the coating film of aluminum profiles are significantly improved compared with other surface treatment films, such as hardness, three-sided advertising, wear resistance and acid resistance, which can effectively extend the service life of industrial aluminum profiles.



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