| This additive is a blue liquid. The SN-6-produced bronze color is brilliant, much better than that produced by the conventional Sn-Ni salt, with the same good lightfastness. |
| 1. Bath Composition (For make-up): |
| |
SN-6
H2SO4
Deionized Water
|
80-100g/L
15-20g/L
balance |
| 2. Processing Parameters: |
| |
Voltage
Temperature
Time |
10-20V
20-30℃
1-8min |
| 3. Bath Maintenance: |
|
(1) Analyze the contents of SN-6 Additive and H2SO4 daily and make compensation in time if necessary so as to minimize the fluctuation of contents.
(2) During stop-work, the coloring tank has to be covered so as to prevent the contamination with other solution. |
