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.

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.

• 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