Aqueous flux for hot dip metalizing process
US4496612A · kind A · utility
6Cited by
8References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 27, 1983 |
| Grant date | Jan 29, 1985 |
| Priority date | — |
| Expiry date | Dec 27, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C2/30
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A flux bath and its use in treating ferrous articles prior to their being dipped in a molten aluminum-zinc alloy is disclosed. The flux may be molten bath or used as an aqueous solution which contains from 200 to 750 g/l dissolved solids. The dissolved solids are 91 to 98.5 wt. % zinc chloride, 1.5 to 9 wt. % ammonium chloride and, based on zinc chloride and ammonium chloride, from 0.6 to 3 wt. % fluoride ions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.