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Retreat tin liquid (copper and nickel substrate)
First, the product code: Q / YS.401 (Yi Shun brand)
Second, product characteristics:
This product is a single liquid type, non-peroxide, non-fluorine-free non-complexing agent efficient anti-tin, lead solution for tin plating, tin-lead alloy coating and solder joints removed. Particularly suitable for electronic components (IC), circuit board (PCB) manufacturing process of copper surface tin, pewter layer of the retreat, can be immersed or mechanical spray method of operation. Applicable to the copper surface of tin, pewter alloy layer of the withdrawal.
The substrate of copper (Cu) and nickel (Ni) matrix without any damage, and to remove copper rust copper substrate as bright as the new, the primary resin and plastic and ink words are not corrosive.
The amount of product withdrawal tin large, tin withdrawal speed fast, the use of lasting effective.
Fluoride-free, peroxide, smoke-free, odorless, environmentally friendly and easy to handle.
Third, the product parameters:
1, this product is acidic products.
2, the proportion: 1.13 ± 0.03.
3, colorless and transparent liquid.
Fourth, the use of methods:
The use of stock solution, the tin workpiece immersion in the tin, the application of a certain mechanical work better, to retreat tin so far, after the tin layer can be rinsed with water rinse. When the tin water too much tin sludge can be precipitated when the recovery of tin precipitation, tin solution can be reused repeatedly.
Tin-off treatment: After the tin body surface copper substrate there will be a layer of gray film, with the removal of the film to remove the film preparation method is as follows: 1 kg of water by adding 100 ~ 200 grams of A and 100 ~ 200 grams of B, after mixing use. The agent is only used in addition to film, remove the film after the copper matrix exposed. Remove the workpiece water rinse.
Fifth, note:
This product is strictly prohibited contact with iron, may not add other chemicals, please use the original liquid, the product is corrosive, pay attention to gently, to prevent splashing. Store in a dry, cool place.




Order Guangzhou YiShun Chemical Company's products, you will have the following technical support: 1, selection of professional engineers. 2, phone detailed understanding.3, video demo. 4, live demonstrations. 5, site service.6, special technology R & D and preparation. 7, continue to follow the sale.
Packaging:25kg/drum
Delivery time:The same day
As a high-tech company,Guang Zhou YIShun Chemical Co.,Ltd. is specialize in researching,developing,manufacturing and selling chemical products like metal surface treatment chemicals, liquid for metal industry, industrial cleaning agent and chemical product,which is also qualified to offer tailored solution for clients concerninig the chemical products mentioned above.
YiShun Chemical will strive to grow into the most innovative and professional chemical company, aimed at creating solution and orientation,product and service in higher level continuously for various industries as well as driving chemical industry accomplish striking achievements increasingly.
YiShun Chemical has been regarding “Environment-friendly YiShun and Green Home” as its health development strategy,”Environment Protection and Green” as its guidance for product research and production,”Top-grade,Refined, Advanced and Specialized” as its conception for chemical product development, and perfecting its innovative system, improving its capacity for sustainable growth unceasingly, striking to create social value continuously and be a leader in chemical industry for environment production.
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