FIELD: metallic coatings. SUBSTANCE: invention relates to treatment of metals by non-mechanical techniques and can be used when depositing protective layer in baths for zinc plating of metal items. Method of invention comprises creating, on the surface of bath, protective layer consisting of liquid glass/graphite powder composition at weight ratio (86- 82):(14-18), respectively. Liquid glass is preliminarily dissolved in water at 85-90 C to viscosity 30 cPs, after which graphite powder is added to give paste, which is stirred and then laid onto inside surface of bath body. EFFECT: reduced consumption of zinc. 2 tbl
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Authors
Dates
2003-12-20—Published
2001-11-09—Filed