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Anti-corrosion primers can be divided into the following types according to their composition, function and application occasions: 1. Epoxy anti-corrosion primer 2. Polyurethane anti-corrosion primer 3. Zinc powder anti-corrosion primer 4. Alkyd anti-corrosion primer 5. Water-based anti-corrosion primer

Anticorrosion primer is a coating used on metal surfaces. Its main function is to prevent metal oxidation and corrosion by forming a dense protective film to isolate air, moisture, salt and other corrosive substances from contact.