Asian polystyrene prices climb on tight supply, higher costs / Chinese factories struggle with raw material costs / Styrene monomer falls to $1,477/mt FOB Korea

Oct 29, 2026

Asian polystyrene prices remained high in the week ended Oct. 28, supported by limited supply and higher tradable indications. GPPS CFR China at $1,570/metric ton Oct. 28, up $70/mt week over week, reflecting higher domestic prices and feedstock costs heard. A Northeast Asia-based seller told that transaction volumes in China were declining as factories could not afford raw material costs. However, not all market participants shared the same view, with some noting that there were discussions about importing general purpose polystyrene into China following production cuts heard domestically. "GPPS price cannot support the feedstock; [producers] will choose to cut operation rates," a Northeast Asia- based producer said. high-impact polystyrene CFR China at $1,650/mt Oct. 28, up $50/mt week over week, tracking the CFR Southeast Asia market. Earlier in the day,...

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