Sibur, Russia’s biggest producers of polymers and rubbers, said it boosted sales on the home market as demand for its output continued to rise across various sectors of the economy. The company said in a press release that the share of deliveries of its key products to the Russian market hit 75% of total sales in 2023. Since 2021, Sibur has been working towards reducing exports as it has boosted local polymer processing. Sibur’s domestic sales of polypropylene and polyethylene in 2023 jumped 11% year on year, while sales of BOPP films, elastomers, plastics and organic synthesis products grew b…