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Guide to industrial painting

Overspray

Paint particles that reach dry the painted surface resembling a fi ne dust fi nish.

Overspray Overspray
Overspray
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Cause

  • Too fast drying solvents. High ambient temperature.
  • High application pressure.
  • Low fl owrate of paint using too much air.
  • Distance too far from the spray gun to the substrate.
  • High viscosity of application.
  • Inadequate adjustment of spray equipment.

Solution

  • Add a slower evaporating solvent.
  • Avoid painting when the temperature is high.
  • Reduce the pressure of the spray gun.
  • Increase the fl owrate of the paint.
  • Reduce the distance from the spray gun to the substrate.
  • Adjust the viscosity of the paint when spraying.
  • Correctly adjust the spray equipment that is going to be used.