NICKEL FREE GREY & BLACK PLATING PROCESS
  Process
Compositions & Operating Conditions.
Applications & Features
NICKEL FREE GREY Concentration 250 ml/l Deposits dark grey colour used in artificial jewellery can be used as chrome replacment with an additive to produce light colour
NF - 50G Cathode current density 0.2-1 A/dm ²
  Temperature 55-65°C
  pH 12.0-13.0
  Plating Time 1-5 mins.
  Anode S.S. 316 or Cobalt  
  NF - 51G (Additive) For light colour  
  NG - 52G (Additive) For dark colour.  
TECHNICAL DATA      
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