1. Probable Cause / Reason:
• Trapped air or solvent bubbles that burst, creating small craters.
• Insufficient time for the coating to flow into a uniform film.
• Air entrainment during mixing or spraying.
• Over-thinning or incorrect solvent blend can also cause poor flow.
2. Correction:
• Improve spraying technique to reduce air entrapment.
• Apply a mist coat before the main coat to allow better leveling.
• Avoid excessive thinning or use the recommended thinner for optimal flow.
• Ensure proper drying conditions to allow the coating to settle evenly.
3. Corrective Action / Prevention:
• Remove the affected area and reapply the coating with improved technique.
• Ensure proper mixing and spraying to minimize air bubbles.
• Monitor and adjust application speed and pressure for smoother coverage.
BG GROUP OF PAINT AND COATING CONSULTANT
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