BLACKENING AND COLOURING ON BRASS & COPPER.
  Process
Compositions & Operating Conditions.
Applications & Features
       
RUST IRON FINISH Concentration 70 g/l Produces a very good rust finish on iron articles and also gives polising action and gives a smooth surface.
  Hydrogen Per Oxide 70-100 ml/l
  Temperature 60-70 ° C
  Time 1-2 mins.
TECHNICAL DATA      
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