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| Knowledge
Base |
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| Mottling
/ Striping |
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| Definition |
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Application is uneven,
colors are mottled giving a striped appearance. |
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| Cause |
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Defective spray gun (nozzle). |
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Fluctuating air pressure,
unsuitable reducer, incorrect spraying technique,
incorrect spray viscosity. |
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| Prevention |
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Use mixing stick or DIN
viscosity cup to set spray viscosity. Ensure
spray guns are kept in good working order
(maintained regularly). Keep spray gun parallel
to object while spraying (at a distance of
approx. 20 cm / 8 inches). Follow the application
recommendations in the Technical Data Sheets. |
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| Remedy |
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Allow to dry thoroughly,
then sand the surface and respray. |
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