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HSChapter 55
U.S. imports of woven fabrics of other synthetic staple fibers (not polyester, acrylic, or modacrylic), under 85%, mixed with manmade filaments (HS 551591) totaled $117K in April 2026, traded with 11 countries.
Last updated: April 2026 dataWoven fabrics built on synthetic staple fibers other than polyester, acrylic, or modacrylic — such as nylon or polypropylene staple — blended with manmade filaments at under 85% synthetic staple content occupy this specialized residual heading. The United Kingdom and India lead US imports here, with Italy and Turkey also supplying the market. Because the fiber type is neither the common polyester nor acrylic variants, precise fiber identification is especially important: laboratory analysis confirming both the staple fiber type and the filament secondary component is advisable before classification. Construction-type lines within the US schedule include poplin/broadcloth (5515910010), sheeting (5515910020), printcloth (5515910030), and satin/twill weaves (5515910040).
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
This heading covers synthetic staple fibers that are not polyester, acrylic, or modacrylic — examples include nylon (polyamide), polypropylene, and other less common synthetic staple types. Because these fibers are less frequently traded, CBP may scrutinize fiber identification documentation more closely; a laboratory fiber analysis report identifying the specific polymer type is strongly recommended.
Yes — provided the primary fiber is a synthetic staple other than polyester, acrylic, or modacrylic, and the secondary component is a manmade filament (which could be polyester filament), the fabric classifies under 551591. The heading is defined by the staple fiber type, not the filament type. Documentation should clearly identify both fiber components and their respective forms (staple vs. filament).
| Country | Imports | Exports | Balance |
|---|---|---|---|
| CANADA | -- | $874K | +$874K |
| UNITED KINGDOM | $48K | $148K | +$101K |
| SPAIN | $1K | $168K | +$167K |
| INDONESIA | -- | $148K | +$148K |
| NICARAGUA | -- | $77K | +$77K |
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Monthly import values over time