Technical Library

Surface Contamination

Contaminants such as, oils, greases, dirt and silicon are well known to affect the galvanizing and powder coating industry.

Most galvanizing and powder coating companies will have a pre-treatment that removes loose surface contamination, light oils etc, although there are situations where even the best system will not remove heavy contamination.

Common causes of contamination are:

  • Food – crisps, snacks and fast food
  • Hand creams
  • Anti-spatter spray
  • WD40
  • Permanent marking inks
  • High tack tape
  • Fats used in grinding


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