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HSChapter 48
U.S. imports of uncoated paper & paperboard, 225 g/m² or more, rolls or sheets (nesoi) (HS 480593) totaled $12.7M in July 2026, traded with 26 countries.
Importers of Uncoated Paper & Paperboard, 225 g/m² or More, Rolls or Sheets (NESOI) paid $401K in duties in July 2026 — an effective duty rate of 11% on $3.7M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataAt 225 g/m² and above, uncoated paperboard transitions into heavier structural grades used in packaging cores, wet-process board, and heavy-duty linerboard applications. Eight 10-digit tariff lines subdivide this heading, including wet machine board (4805934015), tube and core board (4805934050), and linerboard with less than 80% chemical sulfate wood pulp (4805934030), alongside folding carton board, construction paper, pressboard ex-kraft, and two NESOI catch-all lines. Canada is the leading import source, with Germany and France also supplying meaningful volumes. The heavier basis weight of these grades means freight economics and mill-specific specifications often drive sourcing decisions as much as duty rates.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
782 shipments/mo
Wet machine board is produced by a wet-forming process that bonds multiple plies on the paper machine itself, rather than by laminating pre-formed sheets with adhesive. This structural distinction separates it from composite paperboard under heading 4807 and from pressboard, and it is specifically called out at the 10-digit level precisely because the manufacturing method affects end-use performance in packaging and industrial applications.
The linerboard line (4805934030) applies specifically to board with less than 80% chemical sulfate (kraft) wood pulp. If the pulp composition meets or exceeds that threshold, the product would classify under a different heading entirely. For boards that do not meet any named grade description, the NESOI lines 4805934055 or 4805934060 apply, with the correct choice depending on whether the product falls under a relevant chapter note. A licensed customs broker can help verify pulp-composition documentation and select the correct statistical suffix.
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Subheading 4 of 11 in heading 4805
Subheading 480593 · $12.7M of $94.8M
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 |
|---|---|---|---|---|---|
| 4805934060 | Paper/Pbrd Unctd Rol/Sheet Gt=225g/M2 Note 3 NESOI | $6.7M | 2.66% | 23.13% | $178K |
| 4805934050 | Tube & Core Board Unctd Rol/Sheet Gt=225g/M2 Nte 3 | $3.2M | 1.08% | 10.30% | $35K |
| 4805934020 | Construction Paper,Wt >225 G/M2,Unctd,Rolls/Sheets | $1.2M | 8.44% | 84.42% | $99K |
| 4805932000 | Pressboard Ex Kraft Unctd 225g/M2 or More Roll/Sht | $1.0M | 8.65% | 80.83% | $89K |
| 4805934010 | Folding Carton Board,Wt >225 G/M2,Unctd,Roll/Sheet | $564K | 0.00% | 0.00% | -- |
| 4805934015 | Wet Machine Board,Wt >225 G/M2,Unctd,Rolls/Sheets | $16K | 10.00% | 100.00% | $2K |
| 4805934030 | Linerboard,<80% Chem Sulfate Wood Pulp,Unctd,Rl/Sh | $0 | -- | -- | -- |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
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 France together supply 73% of it.
customs district
destination
entry
rate provision · imports
70.8% enters free of duty; the effective duty rate is 3.16%.
ImportsExports
Imports
$12.7MYoY · Pro
Exports
$6.8MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.