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HSChapter 58
U.S. imports of narrow fabrics: warp without weft, adhesive-assembled (bolducs) (HS 580640) totaled $239K in April 2026, traded with 21 countries.
Importers of Narrow Fabrics: Warp Without Weft, Adhesive-Assembled (Bolducs) paid $31K in duties in April 2026 — an effective duty rate of 14% on $216K in dutiable value, based on actual customs collections rather than the published tariff schedule. Narrow Fabrics: Warp Without Weft, Adhesive-Assembled (Bolducs) imports of $239K in April 2026 ran 43% above the year-to-date monthly average of $167K.
Last updated: April 2026 dataBolducs are a specialized narrow-fabric construction in which warp yarns are held together solely by an adhesive rather than interlaced weft threads, producing a flat, ribbon-like tape used in packaging, garment finishing, and industrial bundling. The entire heading consolidates into a single 10-digit tariff line, 5806400000, simplifying classification but requiring importers to confirm the adhesive-assembly method distinguishes the product from woven narrow fabrics under adjacent headings. Because the construction is defined by process rather than fiber content, the fiber composition still influences applicable textile quota categories and visa requirements where relevant.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
A bolduc consists entirely of warp yarns bonded by adhesive with no interlaced weft, whereas a woven narrow fabric requires actual interlacing of warp and weft. If the adhesive-assembly method cannot be confirmed, the product may be reclassified under a woven narrow-fabric heading, changing the applicable duty rate and textile category.
At the 10-digit US HTS level, heading 5806.40 resolves to a single line (5806400000) regardless of fiber content. However, fiber composition remains relevant for determining textile visa or export license requirements and for applying any applicable textile trade-remedy measures.
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Monthly import values over time
| Country | Imports | Exports | Balance |
|---|---|---|---|
| MEXICO | $25K | $719K | +$694K |
| CANADA | $21K | $100K | +$79K |
| DOMINICAN REPUBLIC | $115K | -- | -$115K |
| CHILE | -- | $82K | +$82K |
| JAPAN | $59K | -- | -$59K |
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 5806400000 | NAR FAB WARP W/O WEFT ASSEMBLED WITH AN ADHESIVE | $239K | 14.13% | $31K |
NAR FAB WARP W/O WEFT ASSEMBLED WITH AN ADHESIVE
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 5806400000 | NAR FAB WARP W/O WEFT ASSEMBLED WITH AN ADHESIVE | $1.1M |
NAR FAB WARP W/O WEFT ASSEMBLED WITH AN ADHESIVE
120.9K kg
NARROW WOVEN FABRICS, NESOI, OF MANMADE FIBERS
HS 580632
WOV FABRICS OF MANMADE CHENILLE
HS 580136
EMBROID IN PC, STRIP OR MOTIFS OF MMF
HS 581092
WOV PILE FAB (INC TERRY TOWEL & SIM) & CHENILE FAB
HS 580610
WARP PILE FABRICS OF MAN-MADE FIBERS
HS 580137
TEXTILE LABELS, BADGES ETC, NOT EMBROIDERED, WOVEN
HS 580710
| State | Imports | Exports | Balance |
|---|---|---|---|
| Minnesota | -- | $393K | +$393K |
| Washington | -- | $271K | +$271K |
| Illinois | -- | $135K | +$135K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| LAREDO, TX | $24K | $488K | +$464K |
| EAGLE PASS, TX | -- | $209K | +$209K |
| NORFOLK-NEWPORT NEWS, VA | $58K | $56K | -$2K |