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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If density under 0.5 g/cm³
Low-density fiberboard for insulation uses 4411.14 subheading.
If pre-cut to specific door sizes as assembled cellular panels
Doors and door frames classify under 4418.72 regardless of material.
If oriented strand board (OSB) construction mistaken for fiberboard
OSB from strands classifies as particleboard under 4410.11.
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
• Test for moisture content (<8%) to prevent warping claims during transit
• Document as 'not painted/stained/varnished' to stay in 4411 vs Chapter 44 decoratives
• Use ISPM-15 compliant pallets for wood packaging to avoid fumigation delays
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.
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.
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.