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360° experience in the chemical processing of metal surfaces.

Zep provides a 360° service in the field of chemical treatment of metal surfaces. The company is able to meet the diverse needs of customers thanks to the use of specific treatments for any type of surface, material or size.

Our peculiarity is to develop the right solution to get the best result, from an aesthetic point of view as well as in terms of functionality.

Preparation processes, polishing or coating of the surfaces to be treated are just some of the possible services offered by the manufacturer.

Phosphate coating

Temporary protective treatment ideal as a pre-varnishing cover.

Anodic oxidation

Protective treatment applicable only on aluminium and its alloys

Pickling treatment

Treatment that disadvantages the corrosion reaction on metals

Semi-shiny electrolytic tinning

Increases corrosion resistance characteristics and gives a glossy finish

Grit sand-blasting

Mechanical removal of natural oxides, of processing residues, of protective coatings (also varnishes)

Alcaline electrolytic stagnation

Electrolytic treatment, suitable for the protection of any metal

Acid electrolytic stagnation

Electrolytic immersion treatment, suitable for the protection of any metal

Burring, cleaning and sifting

Mechanical removal of substratum residuals which are caused by a processing steps

Aluminium passivation Surtec 650

Corrosion resistance and excellent adhesion as a pre-varnient layer for aluminium parts

Thermal hardening and hydrogenation

Chemical nickel plating after-treatment for surface hardening

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