Compound type corrosion-resistant coating for metal

The invention discloses a compound type corrosion-resistant coating for metal. The compound type corrosion-resistant coating is prepared from the following raw materials in parts by weight: 4-18 partsof compound modified polyurethane acrylate, 2-14 parts of monomeric tripropylene glycol diacrylate, 3-15 parts of benzotriazole, 2-12 parts of an antioxidant, 4-18 parts of sodium silicate, 3-21 parts of aluminium powder, 2-16 parts of methyl methacrylate, 3-15 parts of water-based polyester resin, 2-14 parts of a leveling agent, 5-25 parts of rosin, 4-18 parts of amino resin, 6-28 parts of vinyl-vinyl acetate, 4-18 parts of modified phenolic chloroprene, 3-13 parts of elastic polyurethane acrylate, 6-28 parts of propylene glycol monomethyl ether acetate, 4-14 parts of N,N'-ethylenebisstearamide and 5-15 parts of melamin resin. The compound type corrosion-resistant coating disclosed by the invention has the advantages of good corrosion-resistant effect, low preparation cost and long service life and the like. 本发明