Antique electrophoresis pure black nickel plating process
★Use and characteristics
1.The appearance is bright black like the outlook of electrophoresis black paint coating ,the coating is uniform color, and good adhesion.
2.blacker and brighter than the traditional black nickel can be a larger current density, easy to operate.
★Solution composition and operating conditions
1.Make up method：
Half of the water in the tank, add the amount of nickel sulfate, heated to about 50 degrees Celsius, stirring and dissolving. Then add the calculation amount of 787 black nickel A agent and B agent, add water to the specified amount, adjust the temperature, PH, then electrolytic and test.
2. Operation condition:
Nickel sulfate 80 g / L, black nickel A agent 100 ml / L, black nickel B agent, 200 ml / L, temperature 38-44, PH 4-4.8, the proportion of 9-12Be, the cathode current density 0.4-1.2A/dm2.
3. Product catalog：black nickel A agent ,black nickel B agent