RUSTKLEEN ME 130  

Rustkleen me 130 is used for electrolytic derusting and descaling of iron  and  steel  and for activating steel prior  to  plating.  This effctively  removes rust, scale, carbon smut and oxides from steel  by one simple electrolytic operation and ensures excellent adhesion  of subsequent  plated  coatings. Thus rtustkleen me 130  eliminates  the necessity for acid dips in plating cycles and replaces acid  pickles for rust and scale removal.

Rustkleen  me  130 can be used in barrel and vat  plating  lines. The solution  can  be maintained indefinitely by periodic  analysis  and replenishment. 

Concentration :-        rustkleen me 130 .. .. ... 150-400 g/l  

Operating conditions :-  

Temperature      .. .. ...                                  30-50*c

Current density  .. .. ...                                  2.5-10.0 a/dm2

Voltage          .. .. ...                                     6-9 (vat)

                                                                   12-15 (barrel)

Preparation :-fill the tank 2/3rd full of water and add the required amount of rustkleen me 130 carefully with stirring,stir vigorously unti all the material is dissolved and make up the level with water.

Operation :-

 (a) For plating :

           1) Preclean in alkaline hot soak cleaner or emulsion cleaner.

           2) Cathodic cleaning in rustkleen me 130

                Concentration     .. .. ...   150-200 g/l

                Current Density   .. .. ...   2.5-10 a/dm2

                Temperature       .. .. ...   Room

                Time              .. .. ...       1-5 minutes

           3) Cold Water Rinse.

           4) Plate in Cyanide baths such as Cadmium, Zinc, Copper or Brass in case   

               of acid plating baths such as nickel,a dilute acid dip should be  given   

                neutralize  the  residual alkalinity after treating inrustkleen me 130.   

           (b) For derusting & descaling           

For removing red rust, the work should be treated cathodically  in rustkleen me 130 at a concentration of 300-350 g/l.  

For removing scale and carbon sumut periodic reverse current  should  be employed if  periiodic  reverse current is not available  doublethrow switch may be employed for changing the polarity.  

Equipment:-the tank may be made of m.s.rubber or plastic lined m.s.if  plain steel tank is used insulators should be provided to avoid anodic attack of the tank.black carbnon electrodes are recommended.  

Maintenance :-the solution can be controlled by periodic analysis of free sodium cyanide and alkali content. The iron sludge should beremoved periodically  to increase  the life of the solution.dummyingcan be carried out every week for removing iron.