Silver chromium-free passivation agent

First,  product number ：Q/YS.804(Yi Shun brand)

Second,  range of application：

This product is suitable for passivation treatment of silver jewelry, silver conductive layer, silver surface, do not affect the color of silver, does not affect the conductivity, environment-friendly, non-toxic, can effectively prevent the silver layer discoloration and becoming dark.

Third, product index：

 1 colorless ，transparent liquid

 2. No special smell

 3. PH value ：neutral

 4. proportion： 1.0g/cm3

Fourth, usage method

ing liquid（Q/YS.804）:water（tap water）=1:8 to 10 

2.Clean silver dip in silver passivator for 3-5minutes, passivation temperature ：25-60 degrees centigrade.

3.Washing the passivated silver layer

4.Drying to remove water to save.

Fifth,  matters needing attention：

ducts should be sealed to prevent pollution and volatile 

2.add about 5% Q/YS.804 silver passivation solution

Our services

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.