SURFACE TREATMENT METHOD FOR METAL CAN

摘要

PURPOSE:To produce a metal can excellent in slip properties without detriment to adhesion to a coating film by subjecting the can to such a surface treatment as to make it washable with water at succeeding steps. CONSTITUTION:After a chemical coating film is formed on the surface of a metal can using a chemical treating fluid, the surface is coated with a treating fluid contg. a quaternary ammonium salt having at least one 10-20C alkyl group.