Passivation – Anodization

passivation and anodization

With its objective of a global offer, Coulot Decolletage has equipped itself in order to offer you solutions adapted to the medical field.


A chemical process to remove iron from the surface of the part by immersing it in acids.

This process allows the part to be covered with an oxide layer, protecting it from corrosion.

Passivation on titanium and stainless steel
(ASTM F86)


A process based on the principle of electrolysis which results in the formation of an oxide layer on the surface of the part.

This layer makes it possible to obtain various colors in order to distinguish different parts.

Anodization type 1 and 2 on titanium
(AMS 2488D)