1. Probable Cause / Reason
•    Uneven solvent evaporation during drying, causing surface tension changes.
•    Temperature differences on the painted surface creating pigment movement.
•    Poor mixing or settling of pigments in multi-pigmented or metallic paints.
•    Weak epoxy cross-linking, leading to hairline patterns or surface cracking.

2. Correction
•    Sand and recoat the affected area to remove visible patterns or cracks.
•    Use controlled drying conditions to avoid uneven solvent evaporation.
•    Mix paint thoroughly before and during application.
•    Reapply with proper film thickness and surface temperature control.

3. Corrective Action / Prevention
•    Apply paint under stable temperature and humidity conditions.
•    Use well-formulated paints with proper pigment dispersion and epoxy strength.
•    Avoid rapid drying by controlling airflow, temperature, and solvent blend.

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