Artificial Intelligence
August Polyester Staple Fiber Market Analysis (II)
Since the end of July, the polyester filament market has experienced a sharp upward trend, which initially supported the domestic polyester staple fiber market. However, as the prices of polyester filaments continued to rise, downstream weaving factories faced increasing pressure. In regions like Jiangsu and Zhejiang, the weaving operation rate has remained low due to environmental regulations and other factors. Air-jet looms are currently operating at around 80%, while other types of looms are running at approximately 70%. As a result, many weaving factories have reduced their procurement of polyester filaments, leading to a decline in market sentiment and a gradual deterioration of the overall market conditions.
This trend is reflected in the China Shengze Silk Chemical Fiber Index, as shown in the chart below. The index indicates that the synchronized growth of polyester filaments and staple fibers has weakened.

With a slight drop in demand, the polyester yarn market has seen a steady decline in recent weeks. Some products, such as FDY (Fully Drawn Yarn) and POY (Pre-oriented Yarn), which have high downstream consumption and strong profit margins, have seen faster price drops. For example, on Friday in the Shengze area, a major manufacturer cut FDY prices by 300–600 yuan per ton. Both POY and DTY prices also fell by 100–200 yuan per ton. The cash offer for FDY50D/48F was quoted at 17,300 yuan per ton, while the 50D/72F market was priced at 17,700 yuan per ton. POY75D/72F acceptance quotes were at 14,100 yuan per ton, and POY150D/144F was offered at 12,100 yuan per ton. Another major producer maintained its pricing, but local slicing and spinning manufacturers have been offering more discounts in actual transactions.
In the Taicang area, the polyester filament market is also showing a downward trend. The mainstream factory FDY is now priced 200–300 yuan per ton lower, with FDY50D/24F reported at 16,900 yuan per ton. POY prices have dropped by 100–200 yuan per ton, with POY75D/72F currently accepted at 14,000 yuan per ton and POY100D/36F at 11,700 yuan per ton.
In the Zhejiang market, the polyester filament sector is also experiencing a downward trend. A major manufacturer in Xiaoshan reduced its POY quote by 300 yuan per ton, while others remained stable. The current market acceptance price for POY75D/36F is 12,600 yuan per ton, and DTY150D/48F is being quoted at 12,800 yuan per ton. FDY66D/24F is accepted at 15,800 yuan per ton, and other major producers have kept their prices unchanged. POY75/36 is now reported at 12,650 yuan per ton.
In Tongxiang, the price of polyester filament continues to fall. A local leading manufacturer reduced its quote by as much as 100 yuan per ton. The current acceptance price for POY150D/288F is 11,800 yuan per ton. Overall, the market remains under pressure, with declining prices and weak demand signaling a challenging period ahead for the polyester filament industry.
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