A science in its own right:

Corrosion Protection For Perforated Plates

Key Topic

Anyone who installs coated metal parts knows the myriad of influential factors that go into achieving high-quality rust protection. And it’s even more complex when parts are perforated. After all, perforated sheet metal behaves differently than solid material and raises a whole new range of specific challenges.

More holes call for more edge coverage

There are 184,000 holes in one square metre of metal component with hexagonal perforation. The areas between the holes are just 0.5 mm wide. An open area of this magnitude makes it immediately clear that sheet metal has different surface properties than a non-perforated component. For surface engineers, the specific issue is that the holes can be easily obstructed. To much paint at one point is a problem. Too little at the hole edges is another. Rust protection can only be assured when there is sufficient edge coverage – but at the same time, the functionality of the holes themselves must not be affected.

The solution at a glance

  • Testing and filtering of standards for coating metal parts
  • Support during the quality assurance process
  • Coordination and close collaboration with coating partners and customers

Your Contact

Martin Schneider
Head of Application Engineering
+49 7021 8048-110

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