Sanding marks

Sanding marks.

Definition

• Sanding marks with swollen edges.

Cause

• Excessively coarse sanding materials for substrate preparation.

Prevention

• Sand putty with P 120-180 (initial sanding) and P 240-320 (final sanding).
• Surfacer: dry P 400-500, wet P 800-1200.
• Follow instructions for substrate preparation on the Technical Data Sheets.

Remedy

• When the top coat has fully dried, fine-sand and polish the paint surface.
• To eliminate serious damage, sand paint surface and respray.