RN-Bitum Held a Round Table on Bitumens in Irkutsk City

April 2017

Within the framework of the 23rd specialized exhibition “Transport and Roads of Siberia, Special Equipment”, a roundtable was held on the matters of bituminous materials quality assurance in Irkutsk Region, which was initiated by the official distributor of RN-Bitum LLC - Sales of Petroleum Products – SPEKTR LLC.

Technical specialists of RN-Bitum and Angarsk Petrochemical Company JSC touched in their reports the main differences between the "old" GOST 22245-90 and the "new" GOST 33133-2014 for petroleum viscous bitumen for road building, the specifics and peculiarities of the production of "new" bitumen at an oil refinery. According to the participants of the round table, new indicators for the assessment of aging and viscosity characteristics of bitumen, presented in GOST 33133-2014, will be able to assess the work of bituminous binders in the composition of bituminous surfacing and affect their performance characteristics.

The round table also covered the issues of providing road organizations of Irkutsk Region with quality innovative bituminous materials – polymer-bituminous binders, well-behaved in other Regions of the Russian Federation. According to regional experts, without active implementation of innovative materials to the industry community, it will be difficult to solve the tasks assigned to them by the federal authorities.

Particular attention was paid to the principally new approach for assessing quality characteristics of bituminous binders for road building, presented in PNST 85-2016 "Petroleum Viscous Bituminous Materials". According to the results of the analysis of climatic conditions, it was concluded that the main brands of bituminous binders for the region may be PG 58-40 and 52-46 according to the new PG classification.