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U.S. exports of synthetic filament tow, acrylic or modacrylic (HS 550130) totaled $1.6M in July 2026.
Importers of Synthetic Filament Tow, Acrylic or Modacrylic paid $165K in duties in July 2026 — an effective duty rate of 17% on $949K in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataAcrylic and modacrylic filament tow is the primary precursor for cut-staple acrylic fiber used in knitwear, blankets, and flame-retardant textiles, with modacrylic variants valued specifically for their inherent fire resistance. The US schedule subdivides this heading: line 5501300010 captures tow containing 92% or more acrylonitrile or separable tow, while 5501300090 covers other acrylic and modacrylic tow. Japan, Thailand, and South Korea are the leading suppliers, reflecting the concentration of large-scale acrylic fiber production capacity in East Asia.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
16 shipments/mo
Tow containing 92% or more acrylonitrile by weight, or tow that is separable into individual filaments, is classified under 5501300010, while all other acrylic or modacrylic tow falls under 5501300090. Importers should obtain a fiber composition certificate from the manufacturer to ensure the correct 10-digit line is declared.
Modacrylic fibers contain between 35% and 85% acrylonitrile copolymerized with other monomers (often vinyl chloride or vinylidene chloride), giving them inherent flame retardancy that standard acrylic lacks. End-users in protective apparel and children's sleepwear markets specify modacrylic content, so suppliers typically provide detailed polymer composition data alongside shipments.
HSChapter 55
Subheading 2 of 6 in heading 5501
Subheading 550130 · $1.2M of $3.0M
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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 |
|---|---|---|---|---|---|
| 5501300010 | Syntic Filmt Tow 92% Acrylontrile or Seperable Tow | $827K | 20.45% | 118.56% | $169K |
| 5501300090 | Synthetic Filament Tow Acrylic or Modacrylc, NESOI | $549K | 4.43% | 30.33% | $24K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 5501300000 | Synthetic Filament Tow Acrylic or Modacrylic | $1.2M |
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
$1.2MYoY · Pro
Exports
$1.6MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Exports · July 2026
destination
United Kingdom and Germany together take 100% of it.
customs district
origin
entry
rate provision · imports
the effective duty rate is 13.60%.