SNI-1 Alkaline Black Sn-Ni Alloy Plating Agent
1. Suitable for barrel/rack plating of Sn-Ni alloys
2. Uniform black surface with high tarnish & corrosion tolerance
3. Perfect binding force with Copper, Brass & Nickel substrate
4. Fluorine free solution for safe & easy use
Specifications
K4P2O2 200-300g/L
SnCl2·2H2O 4-10g/L
Alkaline Black Nickel Agent 160-250mL/L
Alkaline Regulator 15-20mL/L
pH 8.5-8.8
Current Density 0.5-2.0A/dm2
Temperature 25-40°C
Anode Graphite Bar
Time 1-3min