Al-Passivation colorless


Al passivation is a chemical process and creates a colorless, slightly iridescent layer. This process of surface coating is chromium VI-free and colorless. The colorless passivation (Surtec 650) is RoHS and REACH compliant.


The colorless Al passivation is used:

  • As increased corrosion protection
  • As a primer for subsequent painting
  • Solderable
  • Low surface resistance
  • Layer thickness <1 µm

Areas of usage

Aerospace, electrical engineering, medical technology, mechanical engineering and automotive.

Please note

We work according to the current standards. Please request further services.

Scroll to Top