On September 7, the domestic polyester staple fiber (PSF) market showed a rare divergence: water-treatment fiber balls were quoted at 15,500 CNY/ton, while conventional cotton-type staple fiber was only 8,060 CNY/ton, a spread of 7,440 CNY/ton. This gap is not incidental but reflects a deep structural divergence in downstream demand—industrial rigidity versus textile consumption weakness.
Background
Quotes came from representative traders in Henan and Jiangsu. Henan Kaijie Water Treatment Co. quoted fiber balls (ordinary grade) with diameters of 30mm, 40mm, and 50mm, all uniformly at 15,500 CNY/ton, delivered in Zhengzhou, Henan. Meanwhile, Hebei Chujiao Supply Chain Management Co. quoted cotton-type PSF (Huahong brand, first-grade, 1.56dtex*38mm, melt direct spinning) at 8,060 CNY/ton, delivered in Wuxi, Jiangsu.
Fiber balls are deep-processed PSF products, made through crimping and heat setting into spherical filter media, mainly used for water treatment filtration. Cotton-type staple fiber is a basic textile raw material for spinning and nonwovens. Though both belong to the polyester chain, their end-use applications differ drastically, leading to divergent price trends.
Notably, the fiber ball quote did not differentiate by diameter, with all three sizes at the same price, possibly indicating similar processing costs for ordinary grade or a uniform pricing strategy. The cotton-type quote clearly specifies first-grade, melt direct spinning, closer to the commodity benchmark.
Industry Impact
The wide price gap between fiber balls and cotton-type PSF essentially mirrors the demand temperature difference between industrial consumables and textile raw materials. Water treatment, driven by environmental policies, has rigid demand for filter media, and fiber balls are consumables with short replacement cycles, thus strong price support. Cotton-type PSF directly corresponds to textile and apparel consumption; current weak orders and low operating rates keep raw material purchases on a hand-to-mouth basis, capping price gains.
For PSF producers, this divergence signals a need to adjust product mix. Companies capable of processing water-treatment fiber balls can hedge against profit compression in cotton-type PSF, while those solely producing conventional cotton-type face greater pressure. Regionally, Henan, as a water-treatment industry cluster, sets a barometer for fiber ball prices, while Wuxi, a cotton-type distribution hub, better reflects the true health of textile manufacturing.
From a buyer's perspective, the current cotton-type quote of 8,060 CNY/ton is relatively low for the year, but given sluggish downstream recovery, prices may still have room to fall. The high fiber ball price reminds water-treatment firms to consider alternative filter media or optimize purchasing cycles if raw material costs remain elevated. This "ice and fire" pattern is unlikely to change in the short term.