Dull Tin Plating Process

1. Features:

1、It is non-toxic and therefore can be widely used for food processing or kitchen ware.

2、It has excellent weldability which can be applied for electric appliance and electronics.

3、Each square decimeter can reach to the range of 2-4 Ampere, but no blackish happens in high current area.

4、It can keep clear, and also less foam.

5、High tolerance to electric current, and can achieve an unified layer as white as snow.

6、The plating solution does not produce Sn4+ easily, it processes an ability of anti-aging

7、Anode will remain clean and white shiny.   

2. Compositions

3. Plating Solution Make-up

1. Clean the plating tank, fill in with deionized water to 1/3 volume of the tank.

2. Add required sulfuric acid and stannous sulfate into the tank, dissolve them evenly by stirring and doing filtration by a filter; later add required Make-up Agent and Replenisher. (Remark: the addition of additives should be operated when the plating solution is under

3. Fill in with deionized water to standard level.

4. Control the temperature in the range of room temperature.