Copper chromium-free passivation solution

First,  product number:Q/YS.104(Yi Shun brand)

Second,  Product features：

There is not heavy metal such as chromium and controlled substance such as nitrite in the passivation solution. The service life of the product is long，it is economical and harmless to the human body ，the operation is simple. It does not affect the conductivity of copper and make the color of copper product  preserving more than 18 months.It has changed the anti-rust method of traditional copper workpiece.

Third,  range of application：

In order to prevent the copper parts from rust and discoloration,the passivation of copper，brass，bronze is necessary. The brightness of the copper can be effectively maintained.

Fourth,  method of application ：

1.it is used after the product is diluted with the clean water ，the ratio of the product and the water is 1 to 8，and the cover is covered before and after it is used to prevent volatilization.

2 Copper product is soaked in dilution of passivator in 30 to 60 degrees Celsius, take out it after soaking 3 to 5 minutes .When wash clean with clear water,you need timely drying . drying temperature is 70 degrees , Don't overlap between artifacts when drying.

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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.