Last week (August 18-24, 2025), the upstream raw material market for nylon filament showed a weak trend with a slight decline. The nylon PA6 slicing market was mainly consolidating, with insufficient cost support and high inventory levels in the market. The industry supply was sufficient, and there was no sign of improvement in downstream market demand. The probability of downstream enterprises opening up was not high, and they held onto rigid demand procurement in multiple aspects. The trading atmosphere in the market was not good, and many operators held a cautious and wait-and-see attitude. The nylon filament market was weak and stable, with prices remaining stable at a low level.
Nylon filament prices remain weak and stable
According to the Commodity Market Analysis System of Shengyi Society, last week (August 18-24, 2025), the price of nylon filament remained stable at a low level. As of August 17, 2025, DTY (premium product) of nylon filament in Jiangsu region; 70D/24F) quoted 14320 yuan/ton; Nylon POY (premium product; 86D/24F) quoted 12050 yuan/ton; The price of nylon FDY (premium: 40D/12F) is quoted at 14900 yuan/ton, which is the same as the previous period.
The raw material side has experienced a slight decline
In terms of cost: Last week (August 18-24, 2025), the spot market price of caprolactam remained weak and stable. The weekly closing price of caprolactam from Sinopec was 9575 yuan/ton (interest free for six-month acceptance). The nylon PA6 chip market was mainly weakly consolidated, with a weekly decline of 0.64%, indicating weak cost support. As of August 24, 2025, the benchmark price of caprolactam in Shengyi Society was 8986 yuan/ton, mainly due to weak price consolidation, with a weekly decline of 0.37%. During the week, the market price of high-speed spun nylon PA6 chips remained weak, stable, and fluctuating, with weak cost support being the main factor.
Supply and demand: During the week, the operating rate of some nylon filament manufacturers’ facilities decreased, and the overall market supply was sufficient. However, the industry inventory level still showed an increasing trend, and the supply side performance was poor; The demand in the end market is weak, and some downstream manufacturers have reduced production or switched production, resulting in a decrease in demand for nylon filament. It is difficult to find favorable support from the demand side, and many parties are following suit with rigid demand. Many industry players are adopting a cautious and wait-and-see attitude.
Future forecast
Cost aspect: In terms of caprolactam, the expectation for pure benzene is weak, and slice manufacturers have low enthusiasm for purchasing caprolactam. It is expected that the caprolactam market will be dominated by weak and low-level consolidation next week; In terms of PA6 slicing, cost support is limited, and the supply level of PA6 slicing market may continue to improve. Downstream market demand is weak, and it is expected that the market price of nylon PA6 slicing will weakly decline.
Supply and demand: August belongs to the off-season of traditional demand in the market, coupled with the lack of signs of improvement in terminal market demand and low purchasing enthusiasm in downstream markets. Therefore, it is expected that the demand for nylon filament market may decrease next month. If there is no significant improvement in demand, under the pressure of large inventory, some nylon filament manufacturers may have the possibility of reducing production capacity, while the industry continues to release new production capacity. Therefore, it is expected that the supply of nylon filament market will decrease next month.
Overall, both the upstream raw material caprolactam spot market and the nylon PA6 chip market may continue to decline, with a lack of cost support and difficulty in improving downstream market demand. The demand side is dragging down the market trend, and under the dual negative factors, analysts from Shengyi Society predict that the short-term nylon filament market will remain weak and stable, with weak price consolidation as the main focus.
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