日韩欧美三级片在线,久久99精品国产.久久久久,2020国产成人综合网,99国产精品久久久久久久久久久,中国免费高清在线观看_久久国产精品免费无码二区_日本一级黄片视频_日国产av自拍_妈妈用嘴巴帮我消火

Product list
Contact us

Tax Registration Number: 91440101552358350G

Bank:BANK OF CHINA GUANGZHOU ZENGCHENG ZHONGXIN SUB-BR

Account :705569418477

E-mail: gdyshg@163.com

Tel: 15118868698 020-87471488

Business address:The new town of Zengcheng District of Guangzhou Ctiy in Cunjing Fung pui road 30

Environment-friendly silver removal liquid,Non - cyanide environmental protection silver stripping liquid,Chemical silver remove liquid

Product Name:Environment-friendly silver removal liquid,Non - cyanide environmental protection silver stripping liquid,Chemical silver remove liquid

Price:



Environment-friendly silver removal liquid,Non - cyanide environmental protection silver stripping liquid,Chemical silver remove liquid



Environment-friendly silver removal liquid,Non - cyanide environmental protection silver stripping liquid,Chemical silver remove liquid



1.Product number: Q/YS.806 (Yi Shun brand)


2.Product performance: 

This product is environmentally friendly ,non-toxic, no smoke, no smell, can removing silver coating without damage to substrates (such as: copper, iron, nickel and other substrates).


3.Product index:

⑴ This product is composed of A agent and B agent.

⑵ A:B=1:1 ,A:B:water=1:1(3-5)

⑶ A and B agent are colorless and transparent liquid, odorless, pH value: 4-6, the proportion>1.0


4. Usage method:

Silver plating work piece, which is oilless or unstained, is soaked in the removal of silver liquid at 30℃, take out the artifacts and wash when finish removing the silver layer.


5.Matters needing attention:

Removing silver water is packed in plastic containers.


Other processingEnvironmentally friendly stripping agent seriesChemical nickel plating liquidChemical silver plating liquid (copper substrate)Metal polishing AgentCopper surface treatment agent seriesElectroless plating of real gold on copper surface