image with artdirection image with artdirection

SurTec 680 LC

Chromiting - Low in Cobalt Thick Layer Passivation for Zinc and Zinc Alloys

  • Liquid concentrate, based on chromium(III)
  • Exceeds the requirements for yellow chromates according to DIN 50 021 SS
  • Produces coatings of a clear, green, slightly iridescent colour
  • The passivation layer can also be dyed with organic colourings
  • Long service life, even with feedback of rinsing water
  • Contains only about 1 g/l cobalt in the bath
  • Layer fulfills all requirements of ELV, RoHS and WEEE when following the recommended process sequence (see Product Information Sheet)

Approvals, certificates and test results

  • global patent: Europe 0 907 762; Japan 3597542; USA 6,287,704

    global patent: Europe 0 907 762; Japan 3597542; USA 6,287,704

  • IMDS-No.: 900896

    IMDS-No.: 900896

Contact us

We are looking forward to your inquiry!

For further information about the processing of your data using the contact form, please refer to our privacy policy.

* This information is necessary in order to forward your request to the appropriate contact person.


SurTec worldwide

All over the world our customers benefit from competent services.

Find locations nearby