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To judge which rust protection paint is the best, you need to consider its anti-corrosion effect, durability, environmental performance and ease of construction. The following are several common types of high-quality rust protection paint: 1. Epoxy zinc-rich primer 2. Alkyd anti-rust primer 3. Acrylic anti-rust primer

Epoxy zinc-rich primer is an epoxy resin primer containing a high proportion of zinc powder. Its main feature is to provide excellent anti-corrosion performance through the cathodic protection of zinc powder. Epoxy zinc-rich primer can form a dense protective layer on the surface of zinc metal, which can not only prevent the penetration of corrosive media, but also provide active protection when the coating is damaged.

Epoxy zinc-rich primer: The zinc content is usually between 65% and 85%. Epoxy zinc-rich primer has excellent adhesion and chemical resistance, and is suitable for metal protection in industrial and marine environments.

Metallic paints that do not require primers are: 1. Direct-to-Metal Paint (DTM) 2. Alkyd Paint 3. Epoxy Zinc-Rich Paint 4. Polyurethane Paint