FF-808 Matte Tin Plating Process
FF -808 matte tin additive is a low foam matte tin process based on sulfuric acid, the plating layer is very smooth.
Bath composition:
| Range | Optimal | |
| Stannous sulfate | 24-45g/L | 35g/L |
| Sulfuric acid | 90-110ml/L | 100ml/L |
| FF-808 | 15-25 ml/L | 20 ml/L |
Operation condition:
| Rack plating | Barrel plating | |
| Temp | 15-25℃ | 20℃ |
| CCD | 1.0-2.0A/dm2 | 1.5 A/dm2 |
| ACD | 0.5-2.0 A/dm2 | 1.0 A/dm2 |
| Fiteration | 5-10 micron filter paper filter | |
| Agitation | Cathode movement | |
| Deposition rate | 1.5 A/dm2, 0.7 μm/min | |