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4 divisions

1 products

Proprietary products

Proprietary products A3S are offering biocidal and antibacterial protection from UmanProtek technology.

2 treatments

Subcontracting, antimicrobial treatment

Treatment service of your own parts with UmanProtek technology to make it biocidal and antibacterial.

3 technologies

Licensing application A3 Surfaces technologies

Access to A3S - UmanProtek technology in your own production unit, on your proprietary products.

4 projects

Special projects (anodization, etc.)

Prime quality and effective anodization service for your aluminum parts.

Anodization, a solution for your project!

The anodization process consists of building a controlled oxide layer on the aluminum surface. This provides an oxidation protection to the surface. We can produce three types of anodization under the standard MIL-A-8625F.

Sulfuric anodization

Such an anodization is produced by using a sulfuric acid electrolyte at a temperature between 17 and 21 Celsius degrees. This procedure provides the aluminum with an anodic layer thicker than the one generated by chromic anodization, which assures a better corrosion resistance.

Hard anodization

By plunging the aluminum in a sulfuric acid electrolyte at a low temperature with a tension and a density of high currents, we obtain an anodization called ‘’hard’’. As its name suggests, this procedure serves to increase the hardness, but also the abrasion resistance as well as the electric and thermal isolation of the aluminum.



Preliminary preparation of the surface

Before proceeding with the adonization, the surface must be cleaned in order to get rid of its oils and greases. Then, it is deoxidized in order to remove the natural oxidation on the aluminum. Finally, a stripping of the aluminum is done by soaking in order to get a uniform surface decreased of its imperfections.



The procedure is to create pores whose quality is assured by the utilization of specifics anodization parameters. This step is done by the passage of current in an electrolyte.



Finally, by controlling the surface’s plugging, we can close up partially the nanopores and control the antimicrobial agent spread.

To obtain a free quotation

You are leading a laboratory, a hospital, a school or a restaurant? You are in charge of the sterilization of an agro-business establishment? Our economic and effective solutions will protect your team and your clients’ health!

Request a quote


Quote request

YesNo InteriorExterior BiocidalClearHardColor Type 2 Clear 0,01MM to 0,02MMType 3 Hard 0,050MM to 0,100MM Class 1 without colorationClass 2 with coloration YesNo YesNo

According to the standard : Standard MIL-A-8625-F :

Please note that if the part is damaged or scratched, its imperfections will be reinforced with the anodization. For more information, contact Martin Lambert at 418-290-1081 or by email

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