Metal anti-rust phosphating solution
A technology of metal anti-rust and phosphating solution, which is applied in the direction of metal material coating process, etc., can solve the problems of toxic and irritating odor, difficulty in getting rid of chemical rust removal hazards, etc., achieve good corrosion resistance, wide range of process parameters, increase The effect of corrosion resistance
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[0027] Take hydroxyethyl cellulose and gelatin, add warm water at 50°C to dissolve completely, and set aside; take octylphenol polyoxyethylene ether, sodium lauryl polyoxyethylene ether sulfate and 1.3-diethylthiourea, add 50°C Dissolve in warm water, then add phosphoric acid and citric acid, after dissolving, add nickel sulfate, ferric sulfate, zinc dihydrogen phosphate, ferrocene, sodium perborate, stir for 1 hour, set aside; take aluminum hydroxide and graphite, add water to dissolve Finally, set aside; Combine the above solutions, add an appropriate amount of water, and stir evenly to make the raw material content meet the requirements of octylphenol polyoxyethylene ether 2g / L; sodium lauryl polyoxyethylene ether sulfate 2g / L; 1.3-diethyl Thiourea 2g / L; phosphoric acid 10g / L; citric acid 5g / L; nickel sulfate (NiSO 4 ·6H 2 O) 15 g / L; iron sulfate 10 g / L; zinc dihydrogen phosphate 10 g / L; ferrocene 5 g / L; sodium perborate 5.0 g / L; hydroxyethyl cellulose 2 g / L; gelatin 5 g / ...
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