FIELD: manufacture of rubber products. SUBSTANCE: mix comprises, wt %: natural rubber, 83.47- 87.07; zinc oxide, 4.18-4.40; sulfenamide, 1.08-1.13; clearin, 1.25-1.30; sulfur, 1.67-1.70; plasticizing and structure-forming agent, 4.40-8.35. The latter is orthophosphoric acid-iron oxide reaction product formed as waste from electrocoagulation or reagent purification of sewage resulting from electroplating processes and spent etching solutions. Mix has high physico-chemical properties. EFFECT: improved properties of the rubber mix. 3 ex, 2 tbl
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Authors
Dates
2000-07-27—Published
1998-08-25—Filed