15.01.2026

SurTec 650 for the highest aviation requirements

BWB at the Altenrhein site has successfully had the SurTec 650 process requalified. This confirms the site's ability to treat aluminum components for aviation reliably and to the highest quality standards.

#Aviation #News 

Ansprechperson Beitrag

Raffael Bollag

Head of Technology & Quality

raffael.bollag@bwb-group.com

Corrosion protection, adhesion, weight and complete traceability are decisive factors, especially for aluminum components in the aerospace industry. SurTec 650 passivation reliably meets these requirements and is designed for demanding aerospace applications.

The advantages at a glance

  • Maximum corrosion protection in demanding aerospace applications
  • Optimum adhesive base for adhesive coating or paint primer
  • Complete traceability along the entire supply chain

SurTec 650 passivated aluminum components are also used in the interior fittings of aircraft cabins. For these thin-walled profiles and precisely manufactured lightweight elements, the adhesive bonding of the surface plays a key role in addition to corrosion protection. The process offers an ideal adhesive base for a wide range of applications and guarantees a permanently secure bond - even under the specific stresses of aviation.

"The result confirms the process stability and long-term quality capability of our range of small parts for aerospace applications," explains Igor Miller, Project Manager for Technology & Quality at BWB-Altenrhein AG

The recertification - SurTec 650 for Aerospace

The SurTec 650 process was successfully tested and requalified at the Altenrhein site in accordance with the Applicator Qualification Process (AQP).

Certificates

Corrosion resistance: Bare Corrosion Resistance (2024, 6061)

Electrical contact resistance: Electrical Contact Resistance (6061)

The technology - passivation with SurTec 650

SurTec 650 is a chromium(VI)-free passivation based on Cr(III) and meets the current environmental and safety requirements of the aviation industry.

Aluminium passivation

Looking for aerospace-compliant surfaces?

In addition to the Altenrhein site, BWB also offers the SurTec 650 process at other qualified locations and supports aviation customers from small series to series production.

Our contact persons for aviation applications are available to answer your technical questions, qualifications and project clarifications.

Anprechperson Portrait

Marcus Kolb

Head of Marketing and Sales

+49 351 8831 450 marcus.kolb@flugzeuggalvanik.de

Nehlsen-BWB Flugzeug-Galvanik Dresden GmbH & Co. KG

Grenzstraße 1a / 2
D-01109 Dresden

+49 351 8831 400


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