- 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
Clear/ Topcoat runs
OriginIncorrect spraying pressure or spraying gun set up.
Incorrect spraying viscosity.
Incorrect application technique.
Incorrect application temperature usually too low.
Use of low quality of thinners/wrong thinners or hardeners.
AvoidanceFollow the manufacturer’s instructions of application.
Ensure that the equipment used are in good condition and working properly.
Make sure all the products used are brought to room temperature in case of really cold weather.
Use always the recommended thinners or hardeners.
How to fix the problem.
Sand and polish if runs are small enough.
Sand and repaint if runs are very big.