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Dust inclusions

Definition

Usually small, irregular lifting of the paint film caused by foreign matter (for example, dust/dirt), which can occur in different sizes, shapes, types and patterns.

Schmutzeinschlüsse

Causes

  1. Poor cleaning of substrate before painting
  2. Lint containing overalls or clothes
  3. Spraybooth dust problem due to dirty and clogged filters, causing incorrect air supply and incorrect overpressure
  4. Intake of contaminated air (polishes, fine dust etc.) from other parts of the workshop
Schmutzeinschlüsse
Cotton fibre, 50 x magnification
Schmutzeinschlüsse
Dirty paint surface, Scale 1:1
Schmutzeinschlüsse
Synthetic fibre, 50 x magnification
Schmutzeinschlüsse
Insect, 50 x magnification

HOW TO AVOID

  1. Clean thoroughly before applying the paint
  2. Use lint-free overalls and cloths
  3. Have airflow settings set by the booth manufacturer
  4. Ensure regular cleaning and maintenance of the spray booth and filters
  5. Ensure that polishing/finishing areas are away from the paintshop and are separated by a filtering and ventilation system.

REPAIR

Polish with Glasurit 562-1602 Fine Polishing Compound and finish with any standard high-gloss polish. For major problems, sand down completely and apply a new finish.