Driven by Surging Raw Material Costs, the Polyamide Filament Market Rose and Then Stabilized in September

In September 2026, the domestic market for polyamide filament yarn experienced a stepped upward trend; prices for polyamide POY, DTY, and FDY products were raised continuously and in tandem, eventually stabilizing at a high level after the initial surge.

This market movement was primarily driven by the strengthening of upstream caprolactam prices, coupled with periodic restocking by downstream buyers. Trading sentiment warmed up alongside the rising prices, and by month-end, prices had stabilized as the upward momentum paused.

Monitoring data shows that the price of Jiangsu polyamide DTY (70D/24F, semi-dull, premium grade) started the month at 16,740 RMB/ton. Following multiple rounds of increases, it rose to 18,020 RMB/ton by September 19—a cumulative increase of 7.65%—and remained stable at that level through the end of the month.

The price of Jiangsu polyamide POY (86D/24F, semi-dull, premium grade) began the month at 14,625 RMB/ton and rose steadily to 16,075 RMB/ton by September 19. With a cumulative increase of 9.91%, it recorded the largest gain among the three types of filament, maintaining this elevated price level through the end of the month.

Fujian polyamide FDY (40D/12F, semi-dull) started the month at 17,000 RMB/ton and rose to 18,350 RMB/ton by September 19, marking a cumulative increase of 7.94%; the price remained stable thereafter.

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