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US Polystyrene Prices Rise on Strong Feedstock Costs and Middle East Disruptions

US Polystyrene Prices Rise on Strong Feedstock Costs and Middle East Disruptions

Arthur Conan Doyle 19-May-2026
U.S. polystyrene prices rose through mid-May 2026 as strong domestic production, rising feedstock costs, and global disruptions supported a continued uptrend. Domestic suppliers met of demand, keeping supply steady and exports to Latin America flowing despite global instability. High Gulf Coast operating rates kept polystyrene availability healthy, but volatile benzene and styrene costs鈥攄riven by crude disruptions from the Middle East conflict鈥攑ushed prices higher. Global petrochemical prices have surged nearly 50%, contributing to rising U.S. inflation. With crude flows restricted and freight and insurance costs elevated, polystyrene markets face ongoing volatility. Prices are expected to remain firm through late May, though short-term fluctuations are possible.

U.S. polystyrene prices continued to rise through mid-May ****, extending a strong multi-week uptrend as cost pressures, global disruptions, and steady domestic production shaped market sentiment. According to 果酱视频, domestic producers supplied聽of U.S. polystyrene needs, leaving only ** to imports. This strong domestic base helped keep bulk cargoes flowing to Latin America, even as global supply chains faced growing instability. High Gulf Coast operating rates ensured that polystyrene supply remained ample, but rising feedstock costs continued to push prices higher.

Market participants noted that High-Impact polystyrene (HIPS) is forecast to rise around ** in May, although the weekly outlook remains mixed. Some softening is still possible next week, but the overall trend remains upward. The main drivers include rising benzene and styrene costs, which have been heavily influenced by crude oil disruptions linked to the ongoing conflict in the Middle East. These feedstocks are...

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