FIELD: oil, gas and coke-chemical industries.
SUBSTANCE: invention relates to petrochemistry, specifically to modification of bitumen binder polymers, and can be used in producing asphalt concrete, waterproofing coatings and mastic for construction works. Concentrate of rubber-bituminous binder has a dry granular form and contains components taken in wt. %: active rubber powder of fraction from 0 to 0.63 mm in amount of - 10–50; plasticising component in amount of 10–50; road bitumen in amount of 10–50; stabilizing additive in amount of - 0–50; mineral powder in amount of 0–10.
EFFECT: invention enables to obtain a concentrate of rubber-bitumen binder.
1 cl, 1 tbl
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