Blue/Iridescent Trivalent Passivate for Alkaline Zinc

LANTHANE 317 is a versatile blue or thick film passivate with cobalt for zinc surfaces in barrel and rack applications. LANTHANE 317 provides excellent corrosion resistance which can be further improved with a FINIGARD top-coat. The aspect of the surface with top coat is either uniform blue or iridescent depending on the operating parameters.


LANTHANE 317 works on the basis of trivalent chromium and contains cobalt compounds. Brightness and colour of the passivated parts are very stable.

Features & Benefits

  • Versatile latest generation passivate for Zinc deposits
  • Excellent corrosion performance with/without top-coat
  • Can be applied as blue and thick film passivate
  • High corrosion protection with/without heat treatment
  • For rack and barrel applications
  • For acid and alkaline zinc

Fields of application

  • Automotive
  • Aerospace
  • Building industry
  • Electrical equipment
  • Electronics and collectors
  • Furniture
  • Leisure equipment
  • Wire goods
  • General industry

This process belongs toLANTHANE LINE

Top-of-the range and comprehensive passivate portfolio for all Zn based alloys. All colours available, with or without Cobalt.

It protects the sacrificial Zn or Zn-Alloy base coat from corrosion and acts as conversion layer between the Zn (Zn-alloy) and the top coat.

Fields of application

  • Automotive
  • Aerospace
  • Building industry
  • Electrical equipment
  • Electronics and collectors
  • Furniture
  • Leisure equipment
  • Wire goods
  • General industry
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