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Pinhole marks

Definition

Small holes in the new paintwork as a result of incorrect sanding of solvent boils in lower paint layers.

Nadelstichstörungen

Causes

  1. Solvent boils in the (old) paintwork
Nadelstichstörungen
500 x magnification

HOW TO AVOID

  1. Either sand out the solvent boils completely or fill them with body filler

REPAIR

Pinholes can only be repaired successfully by thoroughly sanding the substrate or by filling the holes with body filler.