FREMGANGSMAADE OG MIDDEL TIL SAMTIDIG GLIDESLIBNING, RENGOERING OG PASSIVERING AF METALLISKE EMNER

The invention relates to a process and agent for the simultaneous vibratory grinding, cleaning and passivation of metallic workpieces using acidic aqueous solutions which contain orthophosphoric acid and/or pyrophosphoric acids and/or water-soluble salts thereof, oligocarboxylic acids and, if requir...

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Hauptverfasser: GEKE, JUERGEN, DROSDZIOK, HERMANN, WIEVELHOFF, HERBERT
Format: Patent
Sprache:dan
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Beschreibung
Zusammenfassung:The invention relates to a process and agent for the simultaneous vibratory grinding, cleaning and passivation of metallic workpieces using acidic aqueous solutions which contain orthophosphoric acid and/or pyrophosphoric acids and/or water-soluble salts thereof, oligocarboxylic acids and, if required, also surfactants, corrosion inhibitors and other customary active ingredients and/or auxiliaries.