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.
1 ze 4
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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