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HSChapter 54
U.S. exports of polypropylene monofilament (67 decitex or more, cross-section not exceeding 1 mm) (HS 540412) totaled $2.1M in July 2026.
Importers of Polypropylene Monofilament (67 Decitex or More, Cross-Section Not Exceeding 1 mm) paid $49K in duties in July 2026 — an effective duty rate of 17% on $290K in dutiable value, based on actual customs collections rather than the published tariff schedule. Polypropylene Monofilament (67 Decitex or More, Cross-Section Not Exceeding 1 mm) imports of $683K in July 2026 ran 20% above the year-to-date monthly average of $571K.
Last updated: July 2026 dataPolypropylene monofilament in this size range is a workhorse industrial input used in filtration media, agricultural netting, rope, and geotextiles. The US schedule subdivides the heading into three tariff lines — 5404120000, 5404121000, and 5404129000 — distinguishing by cross-sectional dimension and strip width, so precise physical measurement at entry is essential for correct classification. Canada leads US supply under this heading, benefiting from USMCA treatment, with Italy and Germany also significant sources. Importers sourcing from South Korea may also benefit from preferential treatment under KORUS.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
33 shipments/mo
Classification among 5404120000, 5404121000, and 5404129000 turns on two measurements: the cross-sectional dimension (whether it exceeds 1 mm) and, for strip-like forms, the width (whether it is 5 mm or less) and length. Importers should obtain certified dimensional specifications from the manufacturer before entry to avoid misclassification.
Polypropylene monofilament from China may be subject to Section 301 tariffs. No broad antidumping or countervailing duty orders are universally in place across all origins for this heading, but importers should check current CBP and USITC databases for any active orders or investigations before shipment, as trade-remedy coverage can change.
Subheading 3 of 4 in heading 5404
Subheading 540412 · $683K of $23.4M
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HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 5404129000 | Polyprop Mnfl Gt=67 Dctx Xsec Dim Gt1mm Ln Gt254mm | $440K | 6.63% | 39.25% | $29K |
| 5404121000 | Syn Mnfil Gt=67dec Sec Dim Gt 1mm Strp Wd Lt=5mm | $243K | 8.17% | 48.32% | $20K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 5404120000 | Syn Mnfil Polypropylene >= 67 Dec X-Sec Dim >1-5mm | $2.1M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
ImportsExports
Imports
$683KYoY · Pro
Exports
$2.1MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Exports · July 2026
destination
Dominican Republic and Ireland together take 57% of it.
customs district
origin
entry
rate provision · imports
57.5% enters free of duty; the effective duty rate is 7.18%.