SunSirs: Favorable Cost Factors Drove Polyester Staple Fiber Prices to a Stronger Trend
August 28 2025 10:19:35 SunSirs (John)
Price trend
According to the commodity market analysis system of SunSirs, the domestic polyester staple fiber price has fluctuated upward recently. As of August 26, the average market price of domestic polyester staple fiber (1.4D*38mm) was 6,585 RMB/ton, up 1.73% from August 20.
Analysis review
Favorable cost support strengthened. As of August 25, the October WTI crude oil futures contract settled at $64.80/barrel, and the October Brent crude oil futures contract settled at $68.80/barrel. PTA plants in East China were shut down for maintenance, resulting in shrinking supply and expanding destocking on the balance sheet. Spot prices strengthened, with the average price in East China at 4,922 RMB/ton as of August 26, a 4.28% increase from August 18.
Rising raw material prices have led to a more cautious attitude in the downstream yarn market. Market transactions remained mediocre, and prices remained stable. Changle T32S yarn prices stabilized at around 10,350 RMB/ton, while vortex-spun polyester T30S yarn had traded at 10,400 RMB/ton. End-user demand is unlikely to improve in the short term, with raw material stockpiling primarily driven by demand.
Market outlook
Analysts of SunSirs believe that, driven by cost support, the overall market sentiment in the supply chain remained favorable. With the arrival of the traditional September textile peak season, market inquiries are expected to gradually intensify. Therefore, overall, polyester staple fiber market prices will mainly be stronger.
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