How can the service life of anti-corrosion coatings on metal surfaces such as those in steel structures of chemical enterprises in coastal cities be extended?

To extend the service life of anti-corrosion coatings on the metal surfaces of steel structures in chemical enterprises located in coastal cities, improvements can be made in the following areas: 1. Selecting appropriate anti-corrosion materials: For marine salt spray environments, it is necessary to choose anti-corrosion coatings with strong resistance to salt spray, humidity, and ultraviolet rays. For example, fluoropolymer, epoxy resin, or polyurethane coatings can be used. 2. Surface treatment: Thorough surface treatment is carried out before painting, including rust removal, cleaning, and surface sandblasting, to enhance the adhesion between the coating and the substrate. 3. Construction quality: Ensure uniform thickness, the absence of bubbles and missed areas during the coating process, in order to guarantee the integrity and sealing properties of the coating. 4. Multi-layer coating: A multi-layer coating method is employed, with each layer of paint being fully cured before applying the next layer; a combination of primer, intermediate coat, and topcoat can be used to enhance the protective effect. 5. Regular inspection and maintenance: Periodically inspect the coating to detect and repair any damage to it promptly, thereby preventing localized damage from affecting the overall protective performance. By following the above steps, the service life of anti-corrosion coatings on metal surfaces such as steel structures in coastal chemical enterprises can be effectively extended. .

Steel structures use heavy anti-corrosion coatings with specified thicknesses; as for colored steel plates, they should be based on electroplated substrates covered with 20um of fluorocarbon coating

The coastal environment is highly corrosive; paint can be applied using the C5 system: lol