On August 27, 2026, the domestic market for polyamide filament remained firm. Tight upstream supply and surging prices for caprolactam drove up the cost of polyamide PA6 chips, providing strong cost-side support and pushing up spot prices for polyamide filament; however, downstream weaving operating rates remained low, with purchasing limited to immediate needs. Meanwhile, a pullback in crude oil and pure benzene prices dampened market sentiment across the industry chain, somewhat constraining the upward momentum of the market.

Regarding upstream raw materials, tight supply and surging prices for caprolactam have driven up the market for PA6 chips, providing strong cost-side support for polyamide filament and prompting manufacturers to push for higher prices. However, a pullback in crude oil and pure benzene prices has potentially capped further upside for raw materials, leading to a more cautious market sentiment.

Polyamide filament spot market: Prices for various filament varieties remained stable during the first ten days of August, but surged sharply starting August 22, undergoing multiple rounds of consecutive increases.

• Jiangsu 70D semi-dull filament: The price on August 27 was 16,740 RMB/ton, up 160 RMB/ton from yesterday (16,580 RMB/ton on the 25th), a single-day increase of 0.96%; the price was 16,120 RMB/ton at the beginning of the month, marking a cumulative monthly increase of 3.85%.

• Jiangsu POY 86D semi-dull: The price on August 27 was 14,625 RMB/ton, up 125 RMB/ton from yesterday (14,500 RMB/ton on the 25th), a single-day increase of 0.86%; the price was 14,000 RMB/ton at the beginning of the month, marking a cumulative monthly increase of 4.46%.

• Fujian FDY 40D semi-dull: The price on August 27 was 17,000 RMB/ton, up 50 RMB/ton from the previous day (16,950 RMB/ton on the 25th), a single-day increase of 0.30%; the price was 16,500 RMB/ton at the beginning of the month, marking a cumulative monthly increase of 3.03%.

Downstream demand: Operating rates in the downstream weaving sector remain low, and there is no large-scale restocking; purchasing is generally limited to immediate needs. Faced with steadily rising raw material prices, downstream players are showing resistance, preferring to buy only as needed rather than stockpiling. The tug-of-war between strong cost support and weak downstream demand is capping the extent of the rise in filament prices.

Market Outlook

The tight supply situation for caprolactam and PA6 chips is unlikely to reverse quickly in the short term; cost factors continue to provide a floor for polyamide filament prices, keeping the market trend relatively strong. However, with downstream orders showing little significant improvement and bearish pressure stemming from retreating crude oil and pure benzene prices, there is limited momentum for a sharp surge in filament prices. Moving forward, key factors to monitor include caprolactam operating rates, PA6 chip price trends, and the volume of downstream weaving orders.

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