1. Probable Cause / Reason
•    Low paint thickness that doesn’t fully cover the surface.
•    Small gaps or holes (voids/holidays) in the coating.
•    Problems in the metal itself, like internal defects or impurities.
•    Metallic dust or grinding particles settling on the paint surface.

2. Correction
•    Reapply primer with the correct thickness to cover surface properly.
•    Repair or remove affected areas and repaint with proper coating.
•    Use inspection tools to detect and fix any coating gaps.
•    Clean the surface thoroughly before painting to remove dust or contaminants.

3. Corrective Action / Prevention
•    Always apply enough primer to fully cover surface roughness.
•    Use proper surface preparation with correct blast profile.
•    Avoid contamination by keeping the surface clean and dust-free during painting.

BG GROUP OF PAINT AND COATING CONSULTANT
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