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Application filed by Nippon Light Metal CofiledCriticalNippon Light Metal Co
Priority to MYPI87000227ApriorityCriticalpatent/MY101182A/en
Publication of MY101182ApublicationCriticalpatent/MY101182A/en
THE INVENTION INVOLVES A NONRINSES TYPE HYDROPHILIC SURFACE-TREATING PROCESS CAPABLE OF IMPARTING HYDROPHILICITY TO THE SURFACE OF A METAL MATERIAL, E.G., ALUMINIUM, AND, AT THE SAME TIME, FORMING THEREON A COATING EXCELLING IN RESISTANCE TO CORROSION. IN THE PROCESS THERE IS APPLIED AN AQUEOUS SOLUTION WHICH CONTAIN IN SELECTED AMOUNTS OF CR IONS (III, V1), F, SIO2 AND A WATER-SOLUBLE ACRYLIC ACID POLYMER, AND OPTIONAL PO4-3, IF NECESSARY. AN ALUMINUM ARTICLE TREATED BY THIS PROCESS IS SUITABLE FOR THE FINS OF A HEAT EXCHANGER.
MYPI87000227A1987-03-041987-03-04Hydrophilic surface-treating process for an aluminium article.
MY101182A
(en)