Asian Polystyrene Prices: Weekly Market Update

Asian PS: Prices stable amid unchanged fundamentals / Producers maintain offer levels across HIPS, GPPS and EPS / China PS operating rate increases 2.47% WOW; EPS operating rate rises 6.46% WOW

Jun 13, 2026

Asian polystyrene prices were assessed stable week over week, as producers in the region held on to offer levels from the previous week amid stable fundamentals and relatively stable upstream styrene markets. general-purpose polystyrene CFR China and CFR Southeast Asia markers at $1,060/mt and $1,070/mt, respectively, on Aug. 20, stable from the last assessment. high-impact polystyrene CFR China and CFR Southeast Asia markers at $1,160/mt and $1,170/mt, respectively, on Aug. 20, stable from the previous assessment. A polystyrene producer in China saw potential upsides in PS pricing and expected support from feedstock styrene in the coming weeks. "PS prices will likely be lifted to a higher level [should styrene prices continue to be supported]." The producer, however, also cautioned that price competition is intense in the market ahead of the...

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