Silk Leads, Textile Raw Material Market Diversifies: Signals Behind August 28 Price Moves

The August 28 price monitoring of textile commodities sends a clear signal: the raw material market is shifting from broad-based gains to structural divergence. Only three items—raw silk, PTA, and cotton—recorded gains, with raw silk surging 2.67% daily, while the other fourteen products remained flat. The modest 0.22% average daily gain masks deeper industrial logic revealed by year-on-year data: chemical fiber chains have far outpaced natural fibers, with acrylonitrile up 44.12% and PTA up 26.54%, while raw silk still down 9.16%.

Event Background

The data comes from daily price monitoring of seventeen major textile commodities, including raw silk, PTA, cotton, cotton yarn, polyester, viscose, spandex, and nylon. Between August 27 and 28, raw silk jumped from 416,400 to 427,500 yuan per ton, a 2.67% daily gain—the only item exceeding 1%. PTA and cotton rose 0.59% and 0.51% respectively, with all others unchanged.

This "three up, fourteen flat" pattern is unusual. In recent months, prices often moved in tandem, driven by macro sentiment. The extreme divergence now suggests that supply-demand fundamentals are taking over. Raw silk's spike is particularly noteworthy—as a core material for high-end fabrics, its price changes typically lag demand shifts. A single-day surge may signal new order momentum in the silk consumption sector.

Industrial Impact

Year-on-year data reveals the key price positioning. Chemical fiber chains show striking gains: acrylonitrile up 44.12%, polyester POY up 24.25%, spandex up 21.65%, and nylon POY up 21.37%. These numbers mean chemical fiber materials are at multi-year highs, with cost pressure transmitting downstream. For fabric mills using polyester and nylon, raw material costs may have risen from around 60% to over 70% of total costs, squeezing profit margins.

Natural fiber sectors show divergence. Cotton rose 19.12% year-on-year, but cotton yarn 21S and 32S only gained about 5.6%-5.9%, indicating poor pass-through—yarn gains lag cotton, narrowing spinners' margins. Raw silk, despite recent rebound, remains 9.16% lower year-on-year, possibly due to weak global silk demand and competition from substitutes.

This divergence has clear strategic implications for buyers: chemical fiber strength is unlikely to reverse soon, backed by oil prices and chemical capacity cycles; cotton yarn's relative lag offers a window for long-term contracts. For exporters, watch for upward pressure on chemical fiber fabric quotes and raw silk volatility affecting silk order costs.

Practical Recommendations

For Buyers - Maintain rolling replenishment for chemical fiber materials (PTA, polyester, nylon) to avoid panic buying from daily fluctuations, but be aware of cost overrun risks at multi-year highs. - Consider signing 3-6 month medium-term contracts for cotton yarn, leveraging the current lag to lock in processing margins. - After raw silk's price spike, reconfirm quote validity with suppliers to mitigate short-term volatility risks.

For Exporters - Include raw material price adjustment clauses in chemical fiber fabric quotes to pass through cost changes in PTA and polyester filament. - Monitor the link between RMB exchange rate and oil prices, as chemical fiber costs are highly correlated with crude, and currency swings can amplify cost changes. - For silk products, adopt batch purchasing to smooth price fluctuations, and explore profit-sharing mechanisms with suppliers for stable long-term cooperation.