Protected layer – hard centre

Surface requirements are diverse. Whether for corrosion protection, aesthetics, or specific technical properties, the right surface treatment plays a crucial role in a product’s performance and service life.

We offer a wide range of proven surface finishes and assist our customers in selecting the optimal solution for their specific application.

oiled

zinc plated

mech. zinc plated, gelb, Cr6-free

optional

  • with thick-film passivation
  • with sealing

nickel plated

electro zinc plated

optional

  • with thick-film passivation
  • with sealing

hot dipped galvanized

(low and high temperature)

ZincFlake

  • Geomet
  • Delta Protekt KL120
  • Delta Tone 9000

In addition to our standard finishes, we offer further coatings and surface treatments upon request to meet specific requirements regarding corrosion protection, conductivity, appearance, or assembly characteristics.

Zink-Nickel: High-quality corrosion protection with excellent resistance, even under demanding operating conditions.

Brass-plated: Brass-colored finish for technical and decorative applications.
Copper-plated: Finish with good electrical conductivity.

Tin-plated: Corrosion-resistant finish with good soldering and contact properties.

KTL (Cathodic dip coating): Uniform coating with excellent corrosion resistance, even on complex component geometries.

Phosphated: Proven surface treatment for improving corrosion protection and the adhesion of subsequent coatings.

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