Standard International Trade Classification
U.S. exports of Woven Synthetic Staple Fiber Fabric, NES (≥85% by Weight, Non-Polyester/Non-Acrylic) (SITC 65329) totaled $12.4M in August 2026.
Importers of Woven Synthetic Staple Fiber Fabric, NES (≥85% by Weight, Non-Polyester/Non-Acrylic) paid $223K in duties in August 2026, an average duty rate of 15.28% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Woven Synthetic Staple Fiber Fabric, NES (≥85% by Weight, Non-Polyester/Non-Acrylic) imports of $1.5M in August 2026 ran 39% above the year-to-date monthly average of $1.1M.
Last updated: August 2026 dataPolypropylene, polyvinyl alcohol, and other synthetic staple fibers not captured by the polyester (SITC 65321) or acrylic/modacrylic (SITC 65325) headings fall here when they constitute at least 85% of a woven fabric's weight. End uses for these specialty constructions include geotextiles, filtration media, and industrial fabrics where specific chemical resistance or thermal properties of non-standard synthetics are required. The NES designation makes systematic classification elimination essential — importers must confirm the fiber is neither polyester nor acrylic before applying this code. As with other synthetic fabric categories, trade remedy applicability depends on both fiber type and country of origin.
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136 import shipments a month
Polypropylene (PP) staple fiber fabrics are the most common candidates, as polypropylene is neither polyester nor acrylic. Polyvinyl alcohol (PVA) and certain specialty engineering-fiber staple fabrics may also fall here. The key qualifier is that the fiber must be synthetic (not natural or regenerated/artificial), present at ≥85% by weight, and not covered by a more specific heading.
Best practice is to maintain a written classification rationale that walks through the elimination of more specific headings — confirming the fiber is not polyester (ruling out 65321) and not acrylic or modacrylic (ruling out 65325) — supported by a laboratory fiber-content report. This documentation is valuable in the event of a CBP inquiry or post-entry audit challenging the NES classification.
Basic heading 65329 · $12.4M of $13.0B
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Exports · August 2026
destination
Mexico and Nicaragua together take 77% of it.
customs district
Census does not publish district detail for this classification system.
origin
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$1.5MYoY · free account
Exports
$12.4MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $12.8M of Woven Synthetic Staple Fiber Fabric, NES (≥85% by Weight, Non-Polyester/Non-Acrylic) and exported $113.5M.
Through August 2026. Source: U.S. Census Bureau.