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Handbuch für Industrieanstriche

Pinholes or solvent bubbles

Small surface spots produced by the breaking through and deformation of the paint surface. This is caused by the evaporation of the solvent trapped after the outside layer of paint is dry.

Pinholes or solvent bubbles Pinholes or solvent bubbles
Pinholes or solvent bubbles
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Verursachen

  • Solvents evaporating too quickly.
  • High ambient temperature.
  • Coat application too heavy.

Lösung

  • Use a slower solvent.
  • Apply thinner coats with longer evaporation and drying times between coats.