METHOD OF CLEANING METAL SURFACES FROM DEPOSITS

cleaning external and internal surfaces of hollow parts, for example, units and parts of engines from deposits. SUBSTANCE: method includes two- stage treatment of surfaces: at first stage, part is kept in aqueous solution containing 0.25 to 0.50 mole/g of H2SO4 and 0.05 to 0.1 mole/g of Na2SO3; at s...

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Bibliographische Detailangaben

Hauptverfasser:	KRYLOV JURIJ VASIL'EVICH, NIKITENKO S.I, ABRAMOV O.V, ARTEM'EV V.V
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICALMETHODS OTHER THAN ELECTROLYSIS COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR 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
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