Spark Blog

  • April 11, 2023

    Faraday Cage in Powder Coating Applications

     

    One of the problems often encountered in electrostatic powder coating applications is the Faraday cage. It is the volume that acts as an electric curtain, deflecting charged paint particles in complex areas of the part, such as corners, and often occurs, for example, in folded sheets, corners of metal boxes, etc. This effect occurs when we find corners walled at 90º. The presence of these corners creates an electromagnetic field that prevents the powder coating from settling properly.

    electrostatic powder coating
  • April 11, 2023

    Deflector Preference in Powder Coating Applications

     

     

    Powder coating with a spray gun is a method that helps reduce the risks associated with traditional spraying, such as overcoating or irregular coatings. Although electrostatic painting requires investing in a few tools, it is a simple process that pays off. Typically, an electrostatic spray unit integrates items such as a deflector, air hoses, nozzle, ground wire, and a spray gun with a round tip for spraying irregularly shaped objects and a flat tip for applying to flat or large objects. Other supplies a professional needs are paint mixing buckets, masking tapes to isolate paint areas, and cloths to protect surfaces.

    electrostatic powder coating
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