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SITCSection 2
U.S. imports of synthetic filament tow of polyesters (SITC 26662) totaled $18K in April 2026, traded with 6 countries.
Synthetic Filament Tow of Polyesters imports of $18K in April 2026 ran 35% above the year-to-date monthly average of $13K.
Last updated: April 2026 dataPolyester filament tow is a high-volume intermediate in the synthetic fiber supply chain, produced by drawing and crimping continuous polyester filaments into large, untwisted bundles before cutting. Cigarette filter tow — a specialized form of cellulose acetate tow — is a separate product, but polyester tow under this heading serves apparel fiber, fiberfill, and nonwoven converting applications. Buyers typically specify denier per filament (dpf) and total tow denier as the primary quality parameters, and these specifications should be reflected in commercial invoices to support accurate classification and quality verification.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Polyester tow is typically traded in denier-per-filament (dpf) ranges from below 1 dpf (microfiber tow) up to 15 dpf or more for coarser applications. Finer dpf tow produces softer, higher-loft staple fiber suited for apparel and premium fiberfill, while coarser dpf tow is used in industrial nonwovens and geotextiles. These specifications should appear on commercial invoices and packing lists.
Yes — tow and staple fiber are closely related forms of the same polymer, and the distinction is physical: tow is a continuous, uncut bundle while staple fiber has been cut to a defined length. A manufacturer's product data sheet specifying 'filament tow' with total denier and filament count, combined with a physical inspection confirming no cutting, is the most reliable documentation to prevent misclassification.
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Monthly import values over time