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Final seals improve the corrosion resistance and adhesion of the conversion coated metal surfaces that are subsequently coated with conventional, electrocoat and powder coatings.

After zinc-phosphating, another protective process in the form of a passivation can be applied to the metallic parts. Our passivating agent Gardolene® D materially enhances corrosion protection and affords an excellent adhesive substrate for downstream process steps, like for example painting. Chrome-free technologies on the basis of zirconium or titanium fluoride are available.


Our technology portfolio:

  • Gardolene® D


Industries we serve:

  • Appliances
  • Automotive
  • Automotive Components
  • Coil Coating
  • General Industry


  • High-performance passivating technologies
  • Globally available technologies
  • Eco-friendly products for added sustainability and economic efficiency


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Product information, approvals, technical datasheets can be found in our product database.


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