Defects of coating

Coating pinholes, reaching all the way to the base material

If you encounter this problem after the powder coatings have cured, perform a step-by-step check of the technology parts mentioned below.

Compressed air

  • impurities in the compressed air
  • wet compressed air
  • oil in the compressed air

Application equipment setup

  • very high coating thicknesses
  • electrostatic application voltage set too high

Paint (powder coating)

  • defective powder coating batch
  • wet powder coating
  • mixing different types of powder coatings with the same shade

Part and its hanging

  • insufficiently degreased base material
  • insufficiently dried base material
  • porous base material
  • the material is contaminated with silicone!

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