Occurrence
Dull areas visible on the paintwork
Causes
-
Insufficiently cured paint exposed to atmospheric moisture
- Too thick paint coat
- Air humidity too high during painting
- Sensitivity of the substrate to solvents
- Inappropriate amount of hardener
- Expired or soggy hardener
- Interruption or failure of the drying process
- Use of drying and curing accelerators
- Insufficient air circulation during drying
Prevention
- Carefully close hardener containers
- Observe recommended layer thicknesses
- Observe recommended mixing ratios
- Observe set drying times
Removal
Matt and polish or sand and repaint.