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Article | REF: M1600 V2

Electrogalvanizing

Authors: Martine DEPETRIS-WERY, Hassine Ferid AYEDI

Publication date: September 10, 2007 | Lire en français

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    2. Surface preparation

    An electro-galvanizing range consists of three distinct but complementary sequences:

    • a preparation sequence, a combination of degreasing and stripping treatments to make the surface "clean" and hydrophilic;

    • an electro-galvanizing sequence, made up of reactors (electrolytic tanks) that form the heart of the line;

    • a finishing sequence consisting in forming a conversion to improve the corrosion resistance of the electrolytic coating, for example.

    Located at the beginning of the range of treatments, the preparation sequence - a series of routine operations in the surface treatment industry - is of paramount importance. It conditions the success of subsequent operations and partly determines the quality of the surface treatment itself. It can...

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