Long-acting anti-rust solution

The invention discloses a long-acting anti-rust solution. The long-acting anti-rust solution comprises, by weight, 30-40 parts of a compound corrosion inhibitor, 0.5-0.7 part of sodium carboxymethylcellulose, 3-5 parts of polyethylene glycol 400, 0.1-0.3 part of an antifoaming agent, 2-3 parts of sodium molybdate, 1-3 parts of disodium ethylene dinitrilotetra-acetic acid, 0.1-0.2 part of isothiazolinone and 38-45 parts of water, wherein phytic acid, CeNO3, diethanol amine boric acid ester, N-methyldiethanolamine and benzimidazole are adopted as the raw materials of the compound corrosion inhibitor. According to the long-acting anti-rust solution, through cooperation of the phytic acid, CeNO3, diethanolamine boric acid ester, N-methyldiethanolamine and benzimidazole, the long-acting anti-rust solution has the long-acting anti-rust performance. 本发明公开了种长效防锈液，其原料按重量份包括：复合缓蚀剂30-40份，羧甲基纤维素钠0.5-0.7份，聚乙二醇400 3-5份，消泡剂0.1-0.3份，钼酸钠2-3份，乙二胺四醋酸二钠1-3份，异噻唑啉酮0.1-0.2份，水38-45份；其中，复合缓蚀剂的原料为植酸、CeNO、二乙醇胺硼酸酯、N-甲基二乙醇胺、苯并咪唑。本发明通过植酸、