MDF Shelf Board 18mm Thickness
18mm thick MDF shelf board produced from lignocellulosic fibers agglomerated with synthetic resins, density 0.6 g/cm³. Ideal for shelving units and retail fixtures. Falls under 4411.93.90.90 as other medium density fiberboard not density extremes.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If laminated with decorative paper or foil
Plywood-type laminates move to heading 4412 when surface-covered.
If machined into finished builder's joinery like shelving components
Advanced joinery products classify under 4418, not basic panels.
If reinforced with glass fibers exceeding certain thresholds
Fiber-reinforced panels may classify as artificial stone under Chapter 68.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Label panels clearly with density, thickness, and formaldehyde emission class (E1/E0)
• Obtain TSCA Title VI certification for composite wood products entering the US
• Check for anti-dumping duties if sourced from specific countries like China
Related Products under HTS 4411.93.90.90
Medium Density Fiberboard (MDF) Panel 3/4 Inch
A standard 3/4 inch thick medium density fiberboard panel made from wood fibers bonded with resins, with a density between 0.5 and 0.8 g/cm³. Used for cabinetry, furniture, and millwork. Classifies under 4411.93.90.90 as fiberboard of wood, density 0.5-0.8 g/cm³, not specifically provided for elsewhere.
Underlayment MDF Sheet 6mm
6mm medium density fiberboard sheet designed for flooring underlayment, made from wood fibers with density 0.55 g/cm³. Provides soundproofing and leveling. HTS 4411.93.90.90 covers this non-specified medium density fiberboard.
MDF Moulding Blank 1x4 Inch
1x4 inch MDF moulding blank from wood fibers, density 0.7 g/cm³, ready for profiling into trim. Used in architectural millwork. Classifies 4411.93.90.90 as other medium density fiberboard.
Laundry Hamper MDF Panel Kit
Flat-pack MDF panels (density 0.65 g/cm³) for assembling laundry hampers, wood fiber construction. Ships unassembled. 4411.93.90.90 as panels, not finished furniture.
Acoustic MDF Panel 12mm
12mm MDF panels with micro-perforations for acoustic absorption, base density 0.75 g/cm³ wood fibers. Used in studios and offices. Still 4411.93.90.90 as basic fiberboard despite perforations.
MDF Core Stock for Lamination
Balancing core stock MDF sheets (19/32 inch, 0.6 g/cm³) for laminating with melamine or veneer. Provides stable substrate. HTS 4411.93.90.90 as plain medium density fiberboard.