FIELD: electroplating; mechanical engineering; instrumentation engineering; electronic industry. SUBSTANCE: tinning electrolyte contains the following components, g/l: stannous sulfate, 20-60; sulfuric acid, 90-110; syntanol, 2-3; formalyn (37-% solution), 6-8 ml/l; polyvinyl alcohol 1-3; current density ranges from 1 to 10 A/sq dm; current efficiency is 75 to 99 % at temperature of 18-25 C. Electrodeposition is performed at continuous mixing of electrolyte. EFFECT: intensification of process; increased current intensity. 1 tbl
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