FIELD: polygraphic, electronic and radiotechnical industry.
SUBSTANCE: invention proposes a polyvinyl alcohol-base oxidizing composition for removal of tanned polymeric layer that comprises the following components, wt.-%: sodium or potassium metaperiodate or sodium or potassium dihydro-ortho-periodate, 20-70; magnesium or calcium, or aluminum salt or salts, 20-70, and one or more crystalline organic acids, 5-50. Invention provides enhancing effectiveness of regeneration of net-stencil printing screens and to improve retention of oxidizing compositions. Invention is used for regeneration of netted-stencil printing screens prepared with use of photoresist materials.
EFFECT: improved and valuable properties of composition.
20 ex
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