PAINT ISSUE:

dust in paint after spraying -OR- how to remove dirt from car paint -OR- nibs in car paint job

PREVENTION:

• Clean and maintain spray equipment.
• Clean spray booth and panels, use tack cloths, wear clean coveralls, wet the booth floor to keep dust down.
• Install proper air filters.
• Keep vehicle in clean environment until finish is dust-free.
• Maintain a clean working area.
• Repair/replace defective air lines.
• Thoroughly blow off around windows, doors, jambs, etc.
• Use quality masking materials.
• Wear lint-free paint suit.

TO REPAIR:

• For dust encapsulated during drying, sanding and polishing usually removes it unless it's solvent pop (pinholes remain after sanding).
• Severe: sand and respray.
• Wet sand with fine paper to remove nibs, then buff/polish.