Brass chemical polishing solution and preparation method thereof
A technology of chemical polishing and preparation method, which is applied in the field of metal surface treatment chemical polishing, which can solve the problems of high cost, failure of polishing liquid, and less application, and achieve the effect of fast polishing speed, good polishing effect, and no edge burrs
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Embodiment 1
[0010] The brass chemical polishing solution of the present invention contains in every liter of polishing solution: 130g of persulfate, 250ml of concentrated sulfuric acid of 98wt%, 40ml of concentrated phosphoric acid of 85wt%, 5g of citric acid, 7g of ferrous sulfate of heptahydrate, chlorination Sodium 1g, urea 2g, sodium lauryl sulfate 0.5g, the balance is water.
[0011] The preparation method of brass chemical polishing liquid of the present invention, preparation 1 liter of polishing liquid realizes through following scheme: prepare the water of 400~600ml, add 250ml of 98wt% concentrated sulfuric acid and 40ml of 85wt% concentrated phosphoric acid to this water, fully stir, obtain A mixed acid solution of sulfuric acid and phosphoric acid, and cool the mixed acid solution to below 40°C; then add 5 g of citric acid, 7 g of ferrous sulfate of heptahydrate, 1 g of sodium chloride, 2 g of urea and Dialkyl sodium sulfate 0.5g, fully stirred to dissolving; Then add persulfat...
Embodiment 2
[0014] The brass chemical polishing solution of the present invention contains in every liter of polishing solution: persulfate 130g, 93wt% concentrated sulfuric acid 263ml, 85wt% concentrated phosphoric acid 40ml, citric acid 5g, ferrous sulfate 7g of heptahydrate, chlorination Sodium 1g, urea 2g, sodium lauryl sulfate 0.5g, the balance is water.
[0015] The preparation method of brass chemical polishing liquid of the present invention, preparation 1 liter of polishing liquid realizes through following scheme: prepare the water of 400~600ml, add 263ml of 93wt% concentrated sulfuric acid and 40ml of 85wt% concentrated phosphoric acid to this water, fully stir, obtain A mixed acid solution of sulfuric acid and phosphoric acid, and cool the mixed acid solution to below 40°C; then add 5 g of citric acid, 7 g of ferrous sulfate of heptahydrate, 1 g of sodium chloride, 2 g of urea and Dialkyl sodium sulfate 0.5g, fully stirred to dissolving; Then add persulfate 130g, fully stir ag...
Embodiment 3
[0018] Brass chemical polishing liquid of the present invention, containing in every liter of polishing liquid: persulfate 60g, the vitriol oil 200ml of 98wt%, citric acid 1g, the ferrous sulfate 2g of Heptalysine, sodium lauryl sulfate 0.2g, The balance is water.
[0019] The preparation method of brass chemical polishing liquid of the present invention, preparation 1 liter of polishing liquid realizes through following scheme: prepare the water of 400~600ml, add 200ml of 98wt% concentrated sulfuric acid in this water, fully stir, obtain sulfuric acid solution, and this Cool the sulfuric acid solution to below 40°C; then add 1 g of citric acid, 2 g of ferrous sulfate of Heptahydrate, and 0.2 g of sodium lauryl sulfate to the sulfuric acid solution, and stir until dissolved; then add 60 g of persulfate, Stir fully again to obtain a finished solution, add water to the finished solution until the total volume is 1 liter, and stir evenly to obtain the brass chemical polishing sol...
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