BURNISHING METHOD AND COMPOSITION

A burnishing liquid used in a physicochemical mass finishing process serves to chemically remove the conversion coating as well as to promote brightness of the treated metal surface. The burnishing liquid has a very low content of organic constituent and therefore a low chemical oxygen demand charac...

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Bibliographische Detailangaben
1. Verfasser:	ROBERT G. ZOBBI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL DRESSING OR CONDITIONING OF ABRADING SURFACES DYES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GRINDING INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 NATURAL RESINS NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE PAINTS PERFORMING OPERATIONS POLISHES POLISHING SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING
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Beschreibung
Zusammenfassung:	A burnishing liquid used in a physicochemical mass finishing process serves to chemically remove the conversion coating as well as to promote brightness of the treated metal surface. The burnishing liquid has a very low content of organic constituent and therefore a low chemical oxygen demand characteristic. The burnishing liquid comprises a water-soluble tetrapyrophosphate or hexametaphosphate and has a pH of about 8.5 to 10.5.