Produced by oxidation of products of direct distillation of oil and selective separation of oil products (asphalts of deasphalting, extracts of selective purification), as well as compounding of the above oxidised and non-oxidised products or in the form of residue of direct distillation of oil. It is used as a binding material for construction and repair of road aerodrome pavements and bases, as well as a base for production of modified bitumen and bitumen emulsions
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