Chemical silver plating liquid (copper substrate)
First, the product code: Q / YS.801 (Yi Shun brand)
Second, the scope of products:
This product is suitable for all kinds of copper alloy surface silver treatment, the product can be used repeatedly. This product is stable without decomposition, silver-white coating. Product environmental protection, safe use.
Third, product index:
① product is light yellow transparent liquid, odorless.
② proportion: 1.05 ± 0.03
③ PH value: <6, slightly acidic products
Fourth, the use of methods:
① this product is used stock solution.
② copper alloy degreasing rust, immersed in the above silver working solution, room temperature 25℃-35℃ soak 6-8min, silver is completed.
③ remove the silver-plated pieces, fully washed in deionized water.
④ environmental passivation color retention 5min.
⑤ washed
⑥ timely drying
Fifth Notes:
① wear latex gloves operation.
② full use deionized water or distilled water to clean.
③ silver before the copper parts degreasing rust or polishing.
Sixth, production sketch:
Degreasing(Q/YS.904)→Washing→Chemical polishing(Q/YS.106 or Q/YS.105)→Washing→Washing again→Deionized water washing→Chemical silver plating 6 to 8 minutes(Q/YS.801)→Washing→Silver passivation color (Q / YS.804)→Washing→Drying