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U.S. imports of medium density fiberboard (mdf), thickness exceeding 5 mm but not exceeding 9 mm (HS 441113) totaled $12.0M in July 2026, traded with 33 countries.
Importers of Medium Density Fiberboard (MDF), Thickness Exceeding 5 mm but Not Exceeding 9 mm paid $1.3M in duties in July 2026 — an effective duty rate of 14% on $9.6M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataMid-range MDF panels in the 5–9 mm thickness band serve as a structural workhorse for cabinet door cores, interior door skins, and retail display fixtures, where rigidity exceeds what thinner panels can provide without the weight of thicker stock. Germany and Canada are the leading sources of US imports in this thickness range, reflecting European precision-milled product and North American proximity supply. Seven 10-digit tariff lines—spanning unworked panels (4411131000), laminated tongue-and-groove (4411132000), ligneous tongue-and-groove (4411133000), non-surface-covered mechanically worked (4411136000), ligneous mechanically worked (4411138000), standard wood molding (4411139010), and surface-covered NESOI (4411139090)—track surface treatment and edge profile. Imports from China in this category may be subject to Section 301 tariffs, making origin documentation a key compliance step.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
806 shipments/mo
Yes. MDF panels originating from China in this thickness range are generally subject to Section 301 tariffs. Importers should verify the applicable tariff list and any product exclusions with a licensed customs broker, as Section 301 coverage and exclusion status can change.
Mechanical working refers to post-production shaping operations such as routing, profiling, or edge-milling that alter the panel's geometry beyond a flat sheet. Panels that have been tongue-and-groove profiled or otherwise edge-shaped fall under the mechanically worked lines, while flat, unprocessed panels that have only received a surface coating (or none) are classified under the not-mechanically-worked lines.
HSChapter 44
Supplier Network
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Subheading 3 of 6 in heading 4411
Subheading 441113 · $12.0M of $95.1M
ImportsExports
Imports
$12.0MYoY · Pro
Exports
$588KYoY · 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 |
|---|---|---|---|---|---|
| 4411132000 | Laminated Boards Tongued, Grooved, MDF, 5-9 Mm | $7.8M | 12.31% | 90.72% | $959K |
| 4411131000 | Med Densty Fibrbd Ov 5 Nov 9mm Nt Mech Wrkd Etc | $2.6M | 3.90% | 35.41% | $100K |
| 4411139090 | MDF, Gt 5 Mm and Lt=9 Mm, Surface Covered, NESOI | $1.7M | 9.97% | 58.01% | $173K |
| 4411133000 | MDF Ligneous Tongue Groove, 5mm-9mm | $205K | 10.89% | 100.00% | $22K |
| 4411136000 | Med Dnsty Fbrbrd 5mm-9mm Nt Surf Cov Mec Wk | $123K | 21.06% | 70.70% | $26K |
| 4411139010 | MDF, Standard Wood Molding, Gt 5mm not Exceed 9mm | $98K | 11.78% | 100.00% | $12K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 4411138000 | Fiberbd Ligneous,MDF, Ov 5 Nov 9mm, Mechanicl Wk | $501K |
| 4411131000 | Med Densty Fibrbd Ov 5 Nov 9mm Nt Mech Wrkd Etc | $113K |
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
Germany and Canada together supply 62% of it.
customs district
destination
entry
rate provision · imports
20.3% enters free of duty; the effective duty rate is 10.79%.