SNI-AB Acid Black Sn-Ni Alloy Plating Agent

1. Suitable for direct electroplating on Copper, Nickel, Iron substrates

2. Uniform bright black deposit against continue strong sunlight attack

3. Stable in high Chlorides condition & hardness at 500-700HV without dipping plating

4. Good covering & leveling power without auxiliary anode

Specifications

NaCl2·6H2O                250g/L

SnCl2·2H2O                10-50g/L

NH4·HF2                      50L/L

SNI-A Additive              150-200mL/L

SNI-B Additive              10-20mL/L

pH                                4.0-4.6

Temperature                60-70oC

Current Density            0.5-1.0A/dm2

Anode                           Electrolytic Nickel

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