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U.S. imports of agglomerated cork blocks, plates, sheets, tiles, and disks (HS 450410) totaled $7.3M in July 2026, traded with 26 countries.
Importers of Agglomerated Cork Blocks, Plates, Sheets, Tiles, and Disks paid $672K in duties in July 2026 — an effective duty rate of 13% on $5.3M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataAgglomerated cork — manufactured by bonding cork granules or powder under heat and pressure, with or without added binders — serves as a primary input for thermal and acoustic insulation, flooring, and wall-covering applications in the construction industry. Portugal and Spain together account for the bulk of US imports, a reflection of their integrated cork processing sectors, though China has become a notable supplier of finished floor and wall coverings. The US schedule draws meaningful distinctions among end-use forms: vulcanized rubber-cork sheet (4504101000), compressed insulation board (4504102000), floor coverings (4504103000), reinforced wall coverings (4504104000), and agglomerated cork stoppers and disks (4504104500, 4504104700) each carry their own 10-digit line, making the product's physical form and intended application the controlling classification factors.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
194 shipments/mo
Classification is based on the product's objective characteristics at the time of importation, not the end buyer's intended use. If the product is physically identical regardless of application, the importer should assess whether its dimensions, surface finish, and construction align more closely with floor coverings (4504103000) or wall coverings (4504104000). When the product genuinely cannot be distinguished by physical characteristics, a binding ruling request to CBP is the recommended path.
Heading 4503 covers stoppers made from solid natural cork, while heading 4504 covers those made from agglomerated cork — granules or powder bonded together. Agglomerated cork stoppers in this heading (4504104500 and 4504104700) are typically used for sparkling wines or spirits where consistent compression and gas permeability are engineered rather than natural. The material composition, not the shape, is the primary classification determinant.
HSChapter 45
Subheading 1 of 2 in heading 4504
Subheading 450410 · $7.3M of $8.2M
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ImportsExports
Imports
$7.3MYoY · Pro
Exports
$492KYoY · 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 |
|---|---|---|---|---|---|
| 4504104500 | Stopper not Taper Agglomeratd Cork Length Gt Dmtr | $3.9M | 6.22% | 61.71% | $246K |
| 4504103000 | Floor Coverings of Agglomerated Cork | $1.8M | 15.34% | 97.21% | $280K |
| 4504105000 | Blocks, Plates, Sheets, Tile Etc NESOI Agglom Cork | $992K | 10.40% | 71.21% | $103K |
| 4504101000 | Vulcanized Sheet/Slab Ground/Pulverizd Cork/Rubber | $264K | 10.42% | 100.00% | $27K |
| 4504102000 | Insulation, Coated or not Coated, Compressed Cork | $203K | 7.34% | 69.35% | $15K |
| 4504104700 | Corks/Stoppers/Disks/Wafers, Etc Agglom Cork NESOI | $20K | 0.00% | 72.84% | -- |
| 4504104000 | Wallcoverings, Reinforced, Of Agglomerated Cork | $13K | 7.93% | 79.26% | $1K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 4504100000 | Blocks/Plates/Sheets/Tile/Disks Etc of Agglom Cork | $492K |
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
Portugal and Spain together supply 68% of it.
customs district
destination
entry
rate provision · imports
26.4% enters free of duty; the effective duty rate is 9.25%.