ZINKTOP
For a long time now, Duroc has been able to offer alternatives to the usual yellow passivation finish of electrolytic zinc plating. These alternatives involve replacing the toxic hexavalent chromium-based yellow passivation with a passivation based on trivalent chromium reinforced with silicate nanoparticles.
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DELTA PROTEKT
Delta Protekt is a coating based on zinc layers that don’t contain chromium or any other harmful elements. In addition, it offers extreme corrosion resistance with very thin layers.
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