Also known as grains, specks, grit, nibs, bits and dirt inclusions. This defect will show particles in the paint coating. These particles can range from large to small. Dirt In Paint.

What causes nibs in paint?

Dust Nibs occur when paint booths contain loose contamination particles. Inside improperly prepared booths, loose dust and debris particles are kicked into the air during the painting process. Dust is then pushed onto the painted panels by the directed air flow of the spray gun and pushed into the fresh paint.

What is a dust nib?

A dust nib is a small, pinpoint, sized protrusion or defect in the surface of the paint. The result of small particulate landing on, or mixing with, the paint when it is still wet. The only way to fix a dust nib is to spot sand to remove the high spot, then polish the surface back to gloss.