Abstract
In the article the rubber compound composition is considered in detail. It is used in rubber rings of cone drill bit at Volgaburmashjoint stock company. In the laboratory the omposite organic binder was prepared on the basis of bitumen, oil-slime and crashed rubber waste of gasket rubber rings of cone drill bit (fr. 1mm). This binder has extremely heat stability and crack resistance and as a result it has wide range of plasticity at high and low temperatures. On the basis of this organic binder asphalt concrete with improved heat, crack and water resistance was prepared.
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