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Gardobond® is the established trademark for a variety of high-efficient conversion coatings - from traditional phosphating processes to eco-friendly technologies. For the treatment of aluminium substrates we offer you the innovative Gardobond® X-series.

Conversion coatings ensure corrosion protection, adhesion to the subsequent coatings, electrical insulation and minimize surface friction and abrasion. As a leading supplier of surface treatment technologies we offer you with Gardobond® a diversified portfolio of high-performance processes to form the optimum conversion coating.


Gardobond® - Broad range of conversion coatings

Depending on the substrate and your requirement you can choose between an iron-, zinc- or manganese-phosphating, electrolytical phosphating or a chromate, oxalate or anodizing process. Moreover, you can select from one of our innovative, eco-friendly titanium/zirconium-based technologies.

Our worldwide recognized processes are available as chrome- and nickel-free alternatives and are suitable for the manifold of substrates like iron, steel, galvanized steel and aluminium.


Our technology portfolio:

  • Gardobond® A iron-phosphate
  • Gardobond® AS oxalates
  • Gardobond® C chromate
  • Gardobond® E for electrical insulation
  • Gardobond® G manganese-phosphate
  • Gardobond® R zinc-phosphate
  • Gardobond® X titanium/zirconium-based conversion coatings for aluminium
  • Gardobond® X 4661 (SAM) for metal-free aluminium pretreatment
  • Gardobond® Z phosphate-based coating for cold forming


Industries we serve:

  • Aluminium Architecture
  • Aluminium Finishing
  • Appliances
  • Automotive
  • Automotive Components
  • Coil Industry
  • General Industry
  • Heavy Equipment, Off-Road
  • HVAC
  • Metal Forming


  • More economic efficiency and sustainability due to eco-friendly processes
  • Variety of technologies for diversified requirements
  • High-performance and established technologies – worldwide available




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