| 摘要 |
<p>FIELD: machine, building, automobile, instrument making and other industries. SUBSTANCE: claimed electrolyte protects articles form corrosion and makes them look decorative. In order to reduce mass removal of zinc compounds from the coated articles, the electrolyte comprises 25-40 g/l zinc sulfate heptahydrate; 140-160 g/l ammonium chloride; 0.002-0.004 g/l product of condensation of polyethylene polyamine, thiourea and formaldehyde, and 0.4-1.0 g/l polyvinylaminobulyric acid. EFFECT: improved properties of the zinc plating electrolyte.</p> |
