FIELD: chemistry.
SUBSTANCE: invention relates to rubber industry and deals with production of rubber products such as tyres, etc. Rubber mixture contains mixture of caoutchoucs, wt.p - butylcaoutchouc - 75-90, chloroprene caoutchouc - 0-10 and chloride-containing ethylene-propylene-diene filled caoutchouc 7-20. Chloride-containing ethylene-propylene-diene caoutchouc is obtained by mixing ethylene-propylene-diene and chloride-containing caoutchouc in presence of silicon colloidal dioxide. Rubber mixture contains also per 100 wt.p of mixture of caoutchoucs: stearic acid -1-3, zinc oxide - 4-10, technical carbon-30-60, mineral oil "stabiloil" -3-8 and phenol-formaldehyde resin "amberol137" -5-10.
EFFECT: obtaining rubber which has reduced creep and pitching, as well as increased dynamic durability.
2 tbl
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