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HSChapter 44
U.S. imports of low-density fiberboard, density not exceeding 0.5 g/cm³, nesoi (HS 441194) totaled $4.1M in July 2026, traded with 13 countries.
Importers of Low-Density Fiberboard, Density Not Exceeding 0.5 g/cm³, NESOI paid $207K in duties in July 2026 — an effective duty rate of 10% on $2.1M in dutiable value, based on actual customs collections rather than the published tariff schedule. Low-Density Fiberboard, Density Not Exceeding 0.5 g/cm³, NESOI imports of $4.1M in July 2026 ran 31% above the year-to-date monthly average of $3.1M.
Last updated: July 2026 dataLow-density fiberboard at or below 0.5 g/cm³—often called softboard or insulation board—serves primarily as thermal and acoustic insulation in construction, as well as in pin-board and display applications where lightweight and workability matter more than structural strength. The heading's eight 10-digit lines include bitumen-impregnated panels (4411940010, 4411940050), standard wood-fiber panels (4411940020), ligneous panels in the 0.35–0.5 g/cm³ sub-range (4411940040), non-surface-covered panels (4411940060, 4411941000), and surface-covered panels (4411940080, 4411948000). Canada, Poland, and Germany are the leading US suppliers, with European producers historically dominant in insulation-grade softboard. Importers should confirm density test documentation, as the 0.5 g/cm³ threshold is the classification boundary with the medium-density headings above.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
175 shipments/mo
CBP may request a manufacturer's technical data sheet or an independent laboratory test report confirming the panel's density in g/cm³. Because the 0.5 g/cm³ threshold separates this heading from the medium-density headings above, density certification from the foreign producer—ideally referencing the test method used (e.g., ISO 9427 or ASTM D1037)—is the most reliable supporting document. A binding ruling from CBP is advisable when density is close to the boundary.
The US schedule provides dedicated lines for bitumen-impregnated panels: 4411940010 covers panels that are not mechanically worked and are impregnated with bitumen, and 4411940050 covers non-surface-covered, bitumen-impregnated panels. These lines are distinct from the standard wood-fiber and ligneous-material lines, so importers of weather-resistant or damp-proof insulation board treated with bitumen should confirm the correct line based on whether the panel has also been mechanically worked or surface-covered.
Subheading 5 of 6 in heading 4411
Subheading 441194 · $4.1M of $95.1M
Supplier Network
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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 |
|---|---|---|---|---|---|
| 4411940060 | Fiberbd Wd/Ligneous Mat'l not Surface Coverd NESOI | $2.6M | 0.00% | 0.00% | -- |
| 4411940080 | Fiberboard, Wood, Other Ligneous Materials, NESOI | $1.9M | 9.79% | 97.10% | $182K |
| 4411940040 | Fiberboard Ligneous Mat'ls Ov.35/Nov.5g/Cm3 NESOI | $52K | 35.00% | 100.00% | $18K |
| 4411940020 | Fiberboard of Wood not Mechanically Worked,NESOI | $45K | 0.00% | 0.00% | -- |
| 4411940010 | Fibrbrd,Nt Mechanicaly Workd,Imprg W/Bitumen,NESOI | $0 | -- | -- | -- |
| 4411940050 | Fbrbd Wd/Lign Mat Nt Srfce Cv,Imp W/ Bitmen,NESOI | $0 | -- | -- | -- |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 4411948000 | Fiberbd Ligneous Nov.5g/Cm3 Surface Cover | $1.3M |
| 4411941000 | Fiberbd Ligneous Nov.5g/Cm3 Nt Surface Cover | $50K |
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
$4.1MYoY · Pro
Exports
$1.2MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Poland and Canada together supply 97% of it.
customs district
destination
entry
rate provision · imports
49.5% enters free of duty; the effective duty rate is 5.08%.