Powder clumping - International Powder Systems Version 2022 old

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Workpieces insufficiently grounded

Clean buckets

Powder with insufficient resistance  

Discuss with powder suppliers

Excessive field strength

Change voltage and distance

Powder is blown out of the corners and recesses due to excessive air pressure

Reduce air pressure, use proper nozzle

Too little penetration in the corners and niches due to excessive voltage or the use of an incorrect nozzle

Reduce voltage and use appropriate nozzles.

See also nozzles

Poor pre-treatment

Discuss with  supplier

Poor oven setting (too high / too low temperature)

Set oven temperature according to paint supplier

Inadequate powder quality

Switch powder, change admixtures

Dirty base, oils etc.

Check pretreatment

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