Chemical Updates

Asian PS: Prices edge up on higher tradable indications / HIPS China prices up $10/mt on week / Producers face cost pressures despite gains / SM falls $43.50/mt on day

Aug 29, 2026

high-impact polystyrene CFR China at $1,410/ metric ton on Aug. 26, up $10/mt week over week, reflecting higher tradable indications at that level and gains in the domestic Chinese market. A CFR Southeast Asia trade for 50-100 metric tons of general-purpose polystyrene was heard earlier in the week at $1,350/mt. general-grade expandable polystyrene unchanged week over week at $1,330/mt FOB Northeast Asia on Aug. 26, based on higher offers and slow demand. “PS prices have not improved much even though SM prices are up and demand is still weak,” a Northeast Asia-based producer said. “We face costing pressures,” another Northeast Asia-based producer said. “The sharp decline in styrene today will pressure [polystyrene] prices,” a third Northeast Asia-based producer said. Upstream, styrene monomer at $1,162.50/mt on Aug. 26, down $43.50/mt day...

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