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Pores in surfacer coat
Definition
Small, pinprick-sized indentations.
 
Cause
Spray viscosity was too high.
Unsuitable hardener was used, e.g. extra fast hardeners at high temperatures.
Excessive film thicknesses.
 
Prevention
Follow the application recommendations in the Technical Data Sheet.
Choose the correct hardener for the respective temperature.
Apply surfacer at the recommended film thickness.
 
Remedy
Sand down and apply paint system again.
 
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