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U.S. imports of medium density fiberboard (mdf), thickness exceeding 9 mm (HS 441114) totaled $65.1M in July 2026, traded with 47 countries.
Importers of Medium Density Fiberboard (MDF), Thickness Exceeding 9 mm paid $6.1M in duties in July 2026 — an effective duty rate of 14% on $43.1M in dutiable value, based on actual customs collections rather than the published tariff schedule. Medium Density Fiberboard (MDF), Thickness Exceeding 9 mm imports of $65.1M in July 2026 ran 17% above the year-to-date monthly average of $55.7M.
Last updated: July 2026 dataThick MDF panels above 9 mm are the standard substrate for kitchen cabinet carcasses, furniture panels, and architectural millwork, where dimensional stability and screw-holding strength are primary requirements. Canada and Chile are the top US suppliers in this thickness tier, with Vietnam and China also contributing meaningfully to import volumes. The heading's seven 10-digit lines—including mechanically worked or surface-covered panels (4411141000), laminated tongue-and-groove (4411142000), ligneous tongue-and-groove (4411143000), non-surface-covered excluding oil (4411146000), ligneous mechanically worked (4411148000), standard wood molding (4411149010), and NESOI (4411149090)—require careful classification based on whether the panel has been profiled, coated, or left as a flat substrate. TSCA Title VI formaldehyde emission compliance remains a mandatory entry requirement for resin-bonded panels regardless of thickness.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
4.5K shipments/mo
A primer coat applied uniformly to the panel surface is generally considered a surface covering for HTS classification purposes, which would direct the product toward the surface-covered lines rather than the not-surface-covered lines. Importers should review CBP rulings on the specific primer type and consult a licensed customs broker, as the distinction affects the applicable duty rate.
Chile has developed a large-scale plantation forestry sector based on radiata pine, which produces a consistent, fine-fiber furnish well-suited to MDF manufacturing. Its geographic position on the Pacific coast also supports efficient container shipping to US West Coast ports, making it competitive for thick-panel commodity grades.
HSChapter 44
Subheading 1 of 6 in heading 4411
Subheading 441114 · $65.1M of $99.5M
Supplier Network
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ImportsExports
Imports
$65.1MYoY · Pro
Exports
$4.9MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
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 |
|---|---|---|---|---|---|
| 4411149010 | MDF, Standard Wood Molding, Exceeding 9mm | $21.9M | 6.63% | 62.13% | $1.5M |
| 4411142000 | Laminated Boards Tongued, Grooved, MDF, Gt 9 Mm | $15.7M | 16.92% | 96.79% | $2.7M |
| 4411149090 | MDF of A Thickness Exceeding 9mm, NESOI | $13.2M | 9.36% | 63.33% | $1.2M |
| 4411141000 | Med Densy Fibrbd Gt 9mm Thick Mech Wrkd/Surf Covr | $11.4M | 3.44% | 32.63% | $394K |
| 4411143000 | MDF Ligneous Tongue Groove, Exceeding 9mm | $2.4M | 12.39% | 77.15% | $301K |
| 4411146000 | Med Denst Fbrbrd Gt 9mm Nt Surf Cvrd Ex Oil | $460K | 7.61% | 69.42% | $35K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 4411148000 | Fiberbd Ligneous,MDF, Ov 9mm Thick, Mechanicl Wk | $4.0M |
| 4411141000 | Med Densy Fibrbd Gt 9mm Thick Mech Wrkd/Surf Covr | $891K |
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.
Imports · July 2026
origin
Canada and Chile together supply 53% of it.
customs district
destination
entry
rate provision · imports
33.8% enters free of duty; the effective duty rate is 9.33%.