Dirt and dust in the clear coat

Cause

• Clear coat not adequately filtered.
• Incorrect cleaning of the surface (dirt from rebates, etc.). 
• Dirt from clothing (refinisher).
• Dirty spray booth and filters.

Prevention

• Filter clear coat well.
• Clean surface correctly (including rebates, etc.). 
• Wear clean overalls.
• Maintain the spray booth regularly.

Remedy

• Sand (P 1500) and polish.
• If exceptionally contaminated, sand and then respray base coat and clear coat.