The appropriate coating thickness for anti-corrosion treatment of urban outdoor wooden furniture is critical for ensuring long-term durability and weather resistance. Generally, protective coatings should achieve a minimum dry film thickness (DFT) of 50-100 microns for basic protection, while harsh urban environments may require 150-250 microns for optimal performance. Specific requirements vary depending on the preservative type: oil-based treatments typically need 80-120 microns, water-based coatings require 100-150 microns, and specialized epoxy systems may demand 200-300 microns. Application should follow manufacturer specifications and international standards such as ISO 12944 for corrosion protection. Proper surface preparation including cleaning, sanding, and priming is essential to achieve adequate adhesion and consistent thickness. Regular maintenance recoating at 30-50% of initial thickness helps maintain protection against moisture, UV radiation, and temperature fluctuations that urban outdoor furniture consistently encounters.
What requirements are there for the coating thickness of the anti-corrosion treatment agent of urban outdoor wooden furniture?
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