HB Body S.A.

Troubleshooting

Sanding scratches appear on topcoat

Origin

Sanding of filler/primer using too coarse sanding paper.
Filler was too soft when sanded.
Not proper isolation of polyester filler before top coat application.

Avoidance

Use the recommended sanding paper.
Make sure you isolate the area properly and allow sufficient curing.
How to fix the problem.
Thoroughly dry and sand the damaged area.
Complete isolation of the damaged area.
Repaint.