Japanese Prime Minister Sanae Takaichi has struggled to alleviate concerns regarding the supply of naphtha, a crucial petrochemical input for plastics, following U.S.-Israeli strikes on Iran on February 28, 2026 [1]. Despite efforts to boost naphtha shipments from the United States and diversify sources away from the Middle East, Japanese manufacturers and healthcare providers remain worried about supply chain disruptions [1]. The healthcare industry, which relies heavily on oil derivatives for medical consumables such as gloves, catheters, and blood tubing, is experiencing uncertainty in the availability of these critical disposables [1].
Industry leaders have warned that continued instability in the Middle East could further disrupt supply chains and increase costs for medical equipment [1]. The administration has taken steps to seek alternatives to Middle Eastern imports, but the market remains volatile, with observers closely monitoring developments in the region and their potential impact on global naphtha prices and availability [1].
No specific trading advice has been issued by Japanese authorities, but market sentiment is described as cautious due to ongoing geopolitical risks [1]. Price levels for naphtha and related petrochemical products are expected to stay elevated as long as uncertainty persists around the Strait of Hormuz and broader Middle Eastern supply routes [1]. Manufacturers and healthcare providers are advised to monitor technical indicators for signs of supply stabilization or further volatility in the coming months [1].
CONCLUSION
Japan's naphtha supply remains under threat despite increased US shipments and diversification efforts, with volatility expected to persist due to Middle Eastern instability. The cautious market sentiment reflects ongoing concerns about supply chain disruptions and elevated prices for petrochemical products. Stakeholders are advised to closely monitor regional developments and technical indicators for signs of stabilization.