Potassium chloride-type galvanizing plating solution and its preparation method
A potassium chloride-type, electroplating solution technology, applied in the field of electroplating solution, can solve the problems of poor brightness and brittleness, etc., and achieve the effects of good ductility of the coating, good positioning of the coating, and good stability of the plating solution
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[0027] Example 1
[0028] A potassium chloride type zinc plating bath, the solvent is water, and its components are:
[0029] Zinc chloride 70g / L
[0030] Potassium chloride 200g / L
[0031] Boric acid 35g / L
[0032] Softener 8mL / L
[0033] Brightener 0.3mL / L
[0034] The appropriate amount of regulator is 5mL / L.
[0035] Wherein, the softener includes benzalacetone, sodium benzoate and niacin;
[0036] The brightener includes o-chlorobenzaldehyde;
[0037] The regulator includes boric acid, methanol, and sodium benzoate.
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[0038] Example 2
[0039] According to the components described in Example 1, the electroplating solution was prepared:
[0040] (1) Clean the galvanizing tank and add 1 / 3 of the water;
[0041] (2) Add the formula amount of potassium chloride to the water until all potassium chloride is dissolved, and then dissolve the formula amount of zinc chloride and boric acid in sequence;
[0042] (3) After stirring evenly, cool to room temperature and take the plating solution for analysis. If the concentration is not within the specified range, it must be adjusted before adding additives;
[0043] (4) Turn on the filter to start the cycle, electrolyze the plating solution with a small current density of 0.1-0.15ASD for 4-12 hours, until the color of the plating layer in the low current density area changes from black to light gray, and add the required amount of softener, bright Dissolve and stir all the reagents and regulators.
[0044] The electroplating solution prepared according to the abo...
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