PHOSPHATE CONVERSION TREATMENT LIQUID

The operation of zinc-nickel phosphate conversion coating of active metals is improved by using phosphating solutions containing formic acid or formate ions. Such solutions can work effectively at low temperatures and provide excellent substrates for paint, particularly that applied by electrodeposi...

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Bibliographic Details
Main Authors SEISHI KANO, SHINJI TAKAGI, TOSHI MIYAWAKI
Format Patent
LanguageEnglish
Published 24.02.1993
Subjects
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
INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL
METALLURGY
SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Summary:The operation of zinc-nickel phosphate conversion coating of active metals is improved by using phosphating solutions containing formic acid or formate ions. Such solutions can work effectively at low temperatures and provide excellent substrates for paint, particularly that applied by electrodeposition.
Bibliography:Application Number: GB19890021705