From September 1 to 7, 2025, downstream buyers procured nylon filament yarn based on immediate needs, resulting in a stable yet slightly weak market operation with prices holding steady. Raw material nylon PA6 chips for high-speed spinning showed stable market trends. Limited cost support and no significant improvement in downstream demand led manufacturers to maintain purchases based on essential needs. Overall market turnover remained moderate, with a strong wait-and-see sentiment among industry players. Nylon fiber prices fluctuated minimally.

According to SunSirs commodity analysis data, nylon filament prices held steady at low levels last week. As of September 7, 2025, Jiangsu region quoted polyamide DTY nylon (premium grade; 70D/24F) at CNY 14,320/ton; (premium grade; 86D/24F) was quoted at 12,050 RMB/ton; polyamide FDY (premium grade: 40D/12F) was priced at 14,900 RMB/ton, all unchanged from the previous period.

Cost perspective: Last week, caprolactam spot market prices saw a slight decline, with Sinopec's caprolactam weekly settlement price at 9,120 RMB/ton (six-month interest-free acceptance). The nylon PA6 chip market remained weak and range-bound, with stable price trends indicating weak cost-side support. As of September 7, 2025, SunSirs' caprolactam benchmark price stood at CNY 8,920/ton, showing weak consolidation with a weekly decline of 0.37%. During the week, nylon PA6 chip prices for high-speed spinning remained largely stable with minor fluctuations, indicating weak cost support.

Supply & Demand: Some nylon filament producers reduced operating rates during the week. Overall market supply remained ample, but industry inventory levels continued to rise, indicating weak supply performance. End-market demand remained sluggish, with some downstream manufacturers cutting production or switching operations, reducing demand for nylon filament. Positive demand support was scarce, with most buyers maintaining just-in-time purchases. Market participants adopted a cautious wait-and-see stance.

Market Outlook

Cost Perspective: For caprolactam, weak benzene expectations dampen PA6 chip producers' purchasing enthusiasm. Caprolactam prices are expected to consolidate at low levels in the near term. For nylon PA6 chips, limited cost support and potential supply increases, coupled with weak downstream demand, suggest prices will likely trend downward.

Supply and Demand: September traditionally sees improved market demand and trading activity, suggesting potential growth in nylon filament demand next month. However, under current inventory pressure, some nylon filament producers may reduce production rates. Concurrently, ongoing release of new industry capacity maintains overall supply pressure at elevated levels.

Overall, both the upstream caprolactam spot market and nylon PA6 chip market will continue their weak trend. With limited cost support, substantial supply pressure, and little prospect of significant improvement in downstream demand, the market will primarily operate on a needs-based basis with limited positive factors. SunSirs analysts anticipate that the nylon filament market will remain weak and stable in the short term, with prices consolidating at lower levels.

As an integrated internet platform providing benchmark prices, On September 10, the benchmark price of polyamide DTY on SunSirs was 14,320.00 RMB/ton, the benchmark price of polyamide POY was 12,050.00 RMB/ton, and the benchmark price of polyamide FDY was 14,900.00 RMB/ton, which were the same as at the beginning of this month.

Application of SunSirs Benchmark Pricing：

Traders can price spot and contract transactions based on the pricing principle of agreed markup and pricing formula (Transaction price=SunSirs price + Markup).

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