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 |