Clouding or mottling in metallic finishes

Cause

• Faulty spray gun (nozzle).
• Incorrect air pressure, unsuitable reducer, unsuitable spraying technique, unsuitable spray viscosity.

Prevention

• Use mixing stick or DIN viscosity cup to obtain spray viscosity. 
• Maintain spray guns regularly.
• Hold spray gun parallel to object while spraying (observe correct distance). Follow the spray gun manufacturer’s instructions.
• Follow the application recommendations on the Technical Data Sheets.

Remedy

• Allow clear coat to dry thoroughly, then sand the surface and respray.