Calls are growing for the government to permit imports of naphtha from Russia, as prolonged disruptions in the Strait of Hormuz have put Korea’s petrochemical companies at risk of operational disruptions. Although the government has pledged to diversify sources of the key petrochemical feedstock and restrict exports, industry officials argue the measures are insufficient for the current crisis. Briefing President Lee Jae Myung on countermeasures to deal with issues resulting from escalating tensions in the Middle East, Deputy Prime Minister and Finance Minister Koo Yun-cheol said Tuesday that naphtha will be designated as an item for economic security by the end of this week. “There has been a shortage of naphtha and other products that rely heavily on shipments through the Strait of Hormuz,” Koo said during a Cabinet meeting. “By restricting exports, the government will address the shortage.” Products designated as items for economic security are eligible for customized government support, including diversification of import markets, stockpile expansion and development of subs