Last week (July 21-27, 2025), the upstream raw material of nylon filament, Sinopec’s high-end caprolactam weekly settlement price, was lowered. The PA6 slicing market was weak and deadlocked, with prices continuing to decline slightly. Cost support weakened, and downstream enterprises held multiple rigid demand orders. The demand side did not improve, and the activity of on-site trading was poor, resulting in a weak decline in nylon filament market prices.
| Gamma-PGA (gamma polyglutamic acid) |
Nylon filament prices are weak and declining
According to the Commodity Market Analysis System of Shengyi Society, last week (July 21-27, 2025), the price of nylon filament fell weakly. As of July 27, 2025, DTY (premium product) of nylon filament in Jiangsu region; 70D/24F) quoted 14320 yuan/ton, a decrease of 140 yuan/ton from the previous period, with a weekly decrease of 0.97%; Nylon POY (premium product; 86D/24F) quoted 12050 yuan/ton, a decrease of 150 yuan/ton compared to the previous period, with a weekly decrease of 1.23%; The price of nylon FDY (premium product: 40D/12F) is reported at 14900 yuan/ton, a decrease of 150 yuan/ton from the previous period and a weekly decline of 1.00%.
Insufficient support on the raw material side
In terms of cost: Last week (July 21-27, 2025), the spot market price of caprolactam was weak during the week. The weekly settlement price of caprolactam by Sinopec was 9050 yuan/ton (interest free for six-month acceptance), a decrease of 45 yuan/ton from the previous period. The market price of nylon PA6 slices was weak and stagnant, with insufficient cost support. As of July 27, 2025, the benchmark price of caprolactam in Shengyi Society is 8950 yuan/ton, mainly due to weak price consolidation. During the week, the market price of high-speed spun nylon PA6 slices slightly decreased, with a weekly drop of 0.96%, mainly due to weak cost support.
Supply and demand: During the week, some nylon filament manufacturers have lowered their operating rates, resulting in a decline in overall market supply. However, industry inventory levels continue to increase, leading to poor performance on the supply side; 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: July belongs to the off-season of traditional demand in the market, and coupled with the lack of signs of improvement in terminal market demand, downstream market procurement enthusiasm is not high. Therefore, it is expected that the demand for nylon filament market next month may decrease. 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 are likely to continue to decline, with a lack of cost support and difficulty in improving downstream market demand. The demand side is dragging down market trends, and under the dual negative factors, analysts from Shengyi Society predict that the short-term nylon filament market price will mainly consolidate weakly.
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