Powder coating application issues

When the coating is applied, small lumps form on the surface

If you are experiencing this problem when applying powder coatings, perform a step-by-step check of the following parts of the powder coating application technology.

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When the coating is applied, small lumps form on the surface
When the coating is applied, small lumps form on the surface
When the coating is applied, small lumps form on the surface
When the coating is applied, small lumps form on the surface

Compressed air

  • wet compressed air
  • insufficient air system pressure

Application equipment

  • kinked / pinched powder hose
  • poor fluidization of powder coating:
    • too much air (sucks in air)
    • too little air (fails to suck in enough powder)
  • worn electrostatic parts (CORONA):
    • ejector block
    • ejector nozzle
    • ejector
    • powder hose
  • worn TRIBO parts:
    • ejector block
    • ejector nozzle
    • ejector
    • charging hose
    • powder coating gun

Application equipment setup

  • transport air set too low

Paint (powder coating)

  • the powder is too wet and clogs the transport routes
  • the powder is too fine and clogs the transport routes:
  • recycled material content is too high
  • too fine from factory
  • the powder is too fine and the fluidization needs to be adjusted

Is there anything we can do to help?

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