Description of problem:
The sprayed paint dust particles land on the painted surface in the form of a powder.
Causes:
Preventive measures:
Remedy:
In the case of metallic monocoat finishes (600 series) you should sand and respray.
The sprayed paint dust particles land on the painted surface in the form of a powder.
Causes:
- Spray gun is too far from the painted surface.
- Spray pass is too quick.
- Unsuitable thinner.
- Very high air pressure.
- Incorrect application viscosity.
- Wrong spray gun setting. Small nozzle with a large air cap.
- Ambient air flow is disruptive.
- Spray booth temperature is too high.
Preventive measures:
- Use proper application technique.
- Use appropriate thinner.
- Use correct air pressure.
- Use correct application viscosity according to the manufacturer’s specification.
- Use slower thinner or add a retarder if it is too hot.
- Use correct spray gun setup.
- Avoid turbulence.
Remedy:
- Ground coats:
In the case of metallic monocoat finishes (600 series) you should sand and respray.
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