Powder Application Tips Series: Powder Atomization

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In conventional powder spray systems, paint atomization occurs via high-velocity air jets, forcing powder through small air holes in the gun face caps. Air pressures used range from 40 to 80 psi.  If the atomized paint particles travel at too high or too low velocities, poor application can occur, preventing powder from adhering to the surface.

Powder Atomizer Rate: Too High
  • Low film build
  • Low transfer efficiency
  • Fat edges
  • Poor penetration into recesses


Powder Atomizer Rate: Too Low
  • Powder spurting, surging, or puffing
  • Streaking on parts
  • Low wrap around



Controlling the powder atomization rate is an important step in application. If you need some additional assistance with your spray equipment and controlling powder atomization rates, feel free to contact us today and we will be more than happy to help. 

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