U.S. imports of Carbonized Wool, Not Carded or Combed (HS 510130) totaled $5K in August 2026, imported from 10 countries.
Carbonized Wool, Not Carded or Combed imports of $5K in August 2026 ran 88% below the year-to-date monthly average of $42K.
Last updated: August 2026 dataCarbonization — treating wool with sulfuric acid or similar agents to destroy embedded vegetable matter — is the defining processing step that places raw wool in this heading rather than the greasy or scoured headings. Australia leads US imports, with China and the United Kingdom also supplying carbonized wool. The four 10-digit lines distinguish wool that has received no processing beyond carbonization (5101304000) from further-processed or finer-grade material, with fineness thresholds at 40S. Carbonized wool is a key input for woolen (as opposed to worsted) spinning systems, where vegetable contamination would otherwise degrade yarn quality.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
9 import shipments a month
Yes — carbonization is often performed on scoured wool. When both processes have been applied, heading 510130 governs, because carbonization is the more specific processing criterion. The degreased headings (510121 and 510129) explicitly exclude carbonized wool, so the presence of carbonization always directs classification to 510130.
Line 5101304000 covers wool that has been carbonized and received no further processing beyond that step. Lines 5101306500 and 5101307000 apply to carbonized wool that has undergone additional processing: 5101306500 is limited to wool not finer than 40S, while 5101307000 is the general residual for other carbonized wool. The processing history and fineness grade together determine which line applies.
ImportsExports
Imports
$5KYoY · free account
Exports
—YoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $657K of Carbonized Wool, Not Carded or Combed.
Fewer than 6 of the last 12 months reported trade, or the latest month was under $500K; the trend chart is not shown for thin series.
Through August 2026 · exports 3 of 12 months reported. Source: U.S. Census Bureau.
Subheading 5 of 5 in heading 5101
Subheading 510130 · $5K of $618K
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Imports for consumption | Average duty rate | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 5101306500 | Wool, Not Cd/Cm:carbonized:other:nt Finer Than 4os | $4K | 2.82% | 28.08% | $122 |
| 5101307000 | Wool, Not Carded or Combed: Carbonized: Other | $842 | 15.32% | 100.00% | $129 |
| 5101304000 | Wool, Nt Cd R Cm: Crbnzd: Nt Process Beyond Crbnzd | — | -- | -- | -- |
Trade Directory
List your company under HS 510130 — Carbonized Wool, Not Carded or Combed, so the companies trading it can find you. Be the first supplier listed.
Imports · August 2026
origin
Nepal and Belgium together supply 84% of it. Italy pays 15.4% duty; Nepal 0.0%.
customs district
destination
entry
rate provision · imports
60.2% enters free of duty; duty collected equals 4.86% of imports for consumption.