- Acid rain
- Damage of film caused by bird droppings
- Car wash Scratches
- Color Fade with time
- Stone chips
- Tar spots
- Water spotting
- Adhesion Problems
- Dirt and dust in basecoat
- Dirt and dust in Clear Coat
- Edge Appearance
- Wrinkling of top coats
- Loss of Gloss on Clear Coats
- Moisture blisters
- Orange peel
- Pinholes in polyester affecting the final coat
- Solvent popping
- Water stains
- Sanding scratches appear on topcoat
- Silver halo effect during basecoat application
- Poor Adhesion – POLYESTERS
- Poor opacity of basecoats/topcoats
- Clear/ Topcoat runs
- Small black spots on basecoat (also known as salt and pepper effect)
- Poor adhesion on plastic parts
OriginWrong spraying gun set up.
Use of wrong spaying gun pressure settings.
Use of non recommended thinners.
Incorrect product spraying viscosity.
Poor spraying technique.
Spraying booth temperature.
Wrong flash off times between coats.
AvoidanceUse material according to technical data sheets.
Improve spraying techniques e.g use spraying gun parallel to the painted object.
Correct spraying gun set up (pressure, distance etc).
Use thinners according to product specification.
Make sure you allow sufficient flash off times.
Follow product application recommendations from manufacturer.
How to fix the problemIn case of clear application:
-Sand area and repaint.
In case of using solventborne basecoat:
When film is dried apply a mist coat before spraying the clear coat.
In case of using waterborne basecoat:
On semi-dried coat apply a mist coat of the according to the technical data sheet.