PHOSPHATE CONVERSION COATINGS

 

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WIPE APPLICATION IRON PHOSPHATING

 

Wipe application iron phosphating is the simplest method of phosphating. Easy application and its working ability at lower temperatures make wipe application iron phosphating very feasible. Metal parts are wiped, brushed or cleaned with a sponge. It is preferred for such large metal pieces which do not fit into phosphating baths (phosphate coating tank) and also preferred when working area is not enough to set up a continuous line or immersion line of phosphating.

 

Iron phosphate coating by wiping is employed at between room temperature – 50 °C. It is observed that working at higher temperatures is advantageous. Concentration of the coating solution is between %8 – 10. With this high concentration of chemicals, grease particles on the metal surface dissolves by wiping with sponge or by a proper type of brush.

 

It is recommended to rebuild the working bath instead of adding phosphating chemicals over used solution when active content of the solution is reduced.

Here is video of treating metal workpieces with iron phosphate coating chemical supplied by ILVE CHEMICAL COMPANY;