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Envirofriendly passivation of galvanized steel at voestalpine
Sep 30, 2008
voestalpine Stahl GmbH is passivating its galvanized flat steel with the first polymer-based, heavy-metal-free and fluoride-free conversion coating product. This corrosion passivation layer can be directly painted.
"We have had very good experience with this passivation. ... The nanometer-thick passivation layer serves both as corrosion protection during transportation and as adhesion intermediate. In addition, it also improves the formability properties of the galvanized steel strip," Karl-Heinz Stellnberger, Head of Development Corrosion/Corrosion Protection at voestalpine in Linz, Austria, explains STEEL GRIPS.
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