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HSChapter 44
U.S. imports of high-density fiberboard (hdf), density exceeding 0.8 g/cm³, nesoi (HS 441192) totaled $7.1M in April 2026, traded with 19 countries.
Importers of High-Density Fiberboard (HDF), Density Exceeding 0.8 g/cm³, NESOI paid $420K in duties in April 2026 — an effective duty rate of 11% on $3.8M in dutiable value, based on actual customs collections rather than the published tariff schedule. High-Density Fiberboard (HDF), Density Exceeding 0.8 g/cm³, NESOI imports of $7.1M in April 2026 ran 25% above the year-to-date monthly average of $5.6M.
Last updated: April 2026 dataFiberboard with a density above 0.8 g/cm³—commonly called hardboard or HDF—is a distinct product from MDF, manufactured under higher pressure to achieve a harder, denser surface used in flooring underlayment, pegboard, door facings, and tempered panel applications. Five 10-digit lines cover this heading, including unworked panels (4411921000), non-surface-covered panels excluding oil treatment (4411922000), tileboard with worked edges for construction (4411923000), mechanically worked or surface-covered panels (4411924000), and a residual NESOI line (4411925000). Canada leads US supply, with Brazil and Spain also significant sources. Importers should be aware that tileboard (4411923000) carries a specific construction-use definition tied to worked edges, making product specification documentation important for correct line-level classification.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
The dividing line is density: fiberboard exceeding 0.8 g/cm³ falls under heading 441192 as hardboard or HDF, while medium-density fiberboard (MDF) covers the 0.35–0.8 g/cm³ range under headings 441112–441114. Hardboard is typically produced without added resin binders, relying on lignin activation under heat and pressure, whereas MDF uses urea-formaldehyde or similar resins. This distinction also affects TSCA Title VI applicability.
Tileboard under 4411923000 is specifically fiberboard of wood or other ligneous materials with a density exceeding 0.8 g/cm³ that has been worked on its edges for construction use—typically a surface-printed or embossed panel with profiled edges designed to simulate tile in bathroom or kitchen wall applications. The worked-edge construction requirement is the key distinguishing feature; flat hardboard panels without such edge treatment would classify under other lines in this heading.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| CANADA | $3.3M | $747K | -$2.5M |
| BRAZIL | $2.2M | -- | -$2.2M |
| UNITED KINGDOM | -- | $514K | +$514K |
| POLAND | $477K | -- | -$477K |
| MEXICO | -- | $337K | +$337K |
Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 4411921000 | FIBERBD OV.8G/CM3 NT MECHANIC WRKD/SURF COVR NESOI | $3.9M | 10.20% | $293K |
| 4411924000 | FIBRBRD DENSITY GT 0.8G/CM3 MECH WRKD/SURFC COVR | $2.7M | 18.49% | $77K |
| 4411923000 | TILEBOARD, WOOD/LIGNEOUS MAT'L, WORKED EDGES CONST | $455K | 10.00% | $44K |
| 4411922000 | FIBRBOARD OV.8G/CM3 NOT SURFACE COVER EX OIL NESOI | $52K | 10.00% | $5K |
FIBERBD OV.8G/CM3 NT MECHANIC WRKD/SURF COVR NESOI
FIBRBRD DENSITY GT 0.8G/CM3 MECH WRKD/SURFC COVR
TILEBOARD, WOOD/LIGNEOUS MAT'L, WORKED EDGES CONST
FIBRBOARD OV.8G/CM3 NOT SURFACE COVER EX OIL NESOI
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 4411925000 | FBERBRD WOOD/LIGNEOUS MAT'L DNSTY GT .8G/CM3 NESOI | $1.7M |
| 4411921000 | FIBERBD OV.8G/CM3 NT MECHANIC WRKD/SURF COVR NESOI | $137K |
FBERBRD WOOD/LIGNEOUS MAT'L DNSTY GT .8G/CM3 NESOI
7.0K m3
FIBERBD OV.8G/CM3 NT MECHANIC WRKD/SURF COVR NESOI
481 m3
MIX SPF WOOD SAWN/CHIP LENGTHW,SLICED/PEEL,GT 6MM
HS 440713
OTHER ARTICLES OF WOOD, NESOI
HS 442199
ORIENTED STRAND BOARD (OSB), OF WOOD
HS 441012
PLYWD/ETC,NES,GT-1 OUT PLY NONCNF SPECES IN SUBHD
HS 441233
BUILDERS' JOINERY AND CARPENTRY OF WOOD, NESOI
HS 441899
OTHER CONIF WOOD, SAWN/CHIPED LENTGW, THKNS GT 6MM
HS 440719
| Port | Imports | Exports | Balance |
|---|---|---|---|
| CALAIS, ME | $1.3M | -- | -$1.3M |
| FERNANDINA, FL | $1.2M | -- | -$1.2M |
| HOUSTON, TX | $1.2M | -- | -$1.2M |