Dirt or Seediness
Dust and dirt particles settle on the surface, during the application of the paint, the condition is called Dirt or Seediness.
|Unclean conditions in the surrounding area.||Ensure that the painting area is clean.|
|Dust in the Spray Room or Drying Area.||Rearrange equipment so that any spray dust from the booths or other workshop areas does not reach the finishing room.|
|Dirt in Air or Paint line of spray apparatus. Sanding near the Paint area can blow fine dust particles in the air.||
• Check for the Presence of dirt and oil in the paint area by spraying air from the spray gun, on a white clean cloth.
• After spraying look for any dirt or oil marks on the cloth.
|Improper Thinning results in Resin Kick-Out, rendering the resin incompatible.||Thin the paint perfectly with the recommended right thinner.|
|Paint subjected to extreme Cold results in Reduced System Compatibility or Solubility that causes seediness.||
• Warm the paint to reach room temperature or 25℃, prior to application.
• If the paint is still seedy, consult your coatings supplier.
|Dirt in Paint||Strain paint before painting.|
|Appearance of particles after spraying is done and not while spraying the wet film||
• Use a magnifier to rule out the possibility of air bubbles.
• Pour some paint on a glass surface and let it dry in dust-free area.
• After drying, examine the glass by holding it near a light source and look for the presence of any dirt or dust particles.