Defects of coating
In places, semolina in the cured paint
If you encounter this problem after the powder coatings have cured, perform a step-by-step check of the technology parts mentioned below.
1 ze 4
Compressed air
- impurities in the compressed air
- moist compressed air
- insufficient air pressure in the system („gun spitting“)
Application equipment
- impurities released from unmaintained equipment:
- powder hoses
- ejector blocks
- powder coating guns
- poorly adjusted fluidization of the powder paint:
- too much air (sucks in air)
- too little air (ejector block clogging up)
Paint (powder coating)
- the powder is wet andclogs the transport routes
- the powder is too fine andclogs the transport routes:
- the recycled material content is too high
- too fine from production
- the powder is too fine, fluidization needs to be adjusted
Part and its hanging before entering the paint booth
- impurities adhered to the product before painting:
- insufficient surface pre-treatment
- impurities in the drying oven
Curing oven
- impurities from the oven
- impurities released from the conveyor
Is there anything we can do to help?
Formulář byl úspěšně odeslán.
There was an error when submitting the form.
Do you know anyone who might be interested? Don't hesitate and share!