Powder coating application issues
Paint bounces off the painted product
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.
1 ze 4
Compressed air
- setting of high air transport pressures (part of the paint layer gets blown off)
Application equipment
- inappropriate application method
- voltage fluctuations
- worn electrostatics parts (CORONA):
- the cascade fails to charge uniformly
- the electrode is damaged
- electrode O-ring - no current is conducted to the electrode
- worn TRIBO parts:
- grounding of painting equipment
- the charging hose is damaged
- the powder coating gun does not charge
Application equipment setup
- the powder coating gun is too close to the sprayed surface during application (blowing off the powder)
- the powder coating gun is too far away from the sprayed surface during application
- the relationship between conveyor speed and movement for automatic spraying is not optimal
Paint (powder coating)
- unsuitable powder for the given application: TRIBO / electrostatics (CORONA)
- the powder is wet, it sticks
- the powder is too fine:
- the recycled material content is too high
- too fine from production
Part and its hanging
- insufficiently dried base material
- insufficiently grounded product
- improper hanging of the product
Is there anything we can do to help?
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