HTS 6806.10.00Slag wool, rock wool and similar mineral wools; exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral materials; mixtures and articles of heat-insulating, sound-insulating or sound-absorbing mineral materials, other than those of heading 6811 or 6812, or of chapter 69:Slag wool, rock wool and similar mineral wools (including intermixtures thereof), in bulk, sheets or rolls

What that translates to:Rock wool, slag wool and similar mineral wools in bulk, sheets, rolls

Also written 68061000. Rates as CBP is collecting them today. Updated Oct 1, 2026.

Country of origin

Rock wool, slag wool and similar mineral wools in bulk… (HTS 6806.10.00) from China owe 41.4% in total duties as of Oct 1, 2026: a 3.9% regular duty plus a 12.5% forced-labor tariff (Section 301) and a 25% China tariff (Section 301).

Total duty rate41.4%That's $4,140 on a $10,000 shipment.

Forced-labor tariffSection 301, since Jul 24, 202612.5%

China tariffSection 301, since May 10, 201925%

Regular dutyBase rate (MFN) in the tariff schedule3.9%

Total duty41.4%

Court status: Challenged at the U.S. Court of International Trade in In re Section 301 Forced Labor Cases, Court No. 26-03555-3JP, before a three-judge panel. The plaintiffs, Learning Resources and others, have moved for judgment on the agency record, arguing that the action (91 FR 47318) exceeds USTR's statutory authority, is arbitrary and capricious, and is pretextual; 25 states, plaintiffs in Court No. 26-cv-03467-3JP, support them as amici (brief filed Sep 11, 2026). No ruling as of Oct 1, 2026, so the rate is unchanged.

Sources: USITC Harmonized Tariff Schedule, Revision 20 (2026); USTR, Notice of Actions in Section 301 Investigations (forced labor), 91 FR 47318, Jul 28, 2026; HTS 9903.05.31; USTR, Notice of Modification of Section 301 Action (List 3 raised to 25% from May 10, 2019), 84 FR 20459, May 9, 2019; HTS 9903.88.03.

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Official description

Slag wool, rock wool and similar mineral wools; exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral materials; mixtures and articles of heat-insulating, sound-insulating or sound-absorbing mineral materials, other than those of heading 6811 or 6812, or of chapter 69: Slag wool, rock wool and similar mineral wools (including intermixtures thereof), in bulk, sheets or rolls

Legal text from the Harmonized Tariff Schedule, Revision 20 (2026), chapter 68: Articles of stone, plaster, cement, asbestos, mica or similar materials.

Statistical lines

The 10-digit numbers used on entry paperwork. They share this code's duty rates.

6806.10.0010 (6806100010)Accoustical pads and boards · reported in m2
6806.10.0020 (6806100020)Batts, not exceeding 61 cm in width · reported in m2
6806.10.0040 (6806100040)Batts, exceeding 61 cm in width · reported in m2
6806.10.0060 (6806100060)Pipe coverings · reported in m2
6806.10.0090 (6806100090)Other · reported in m2

What changed for this code

Jul 24, 2026Forced-labor tariffs start on imports from 60 economies (Section 301)
Jul 22, 202625% Section 301 tariff on products of Brazil starts
Jan 1, 2026Section 301 tariff on Nicaragua starts at 0%, set to rise to 10% in 2027 and 15% in 2028

Questions about HTS 6806.10.00

What is the duty rate for HTS 6806.10.00?

The regular (column 1 general) rate printed in the tariff schedule is 3.9%. Goods from China owe 41.4% in total as of Oct 1, 2026, including any additional tariffs. Additional tariffs depend on the country of origin; choose one above to see its full rate.

Is HTS 6806.10.00 subject to Section 301 tariffs?

Yes, for goods from 85 countries and territories as of Oct 1, 2026, including Algeria, Angola, Argentina, Australia, Austria. Choose a country above to see the rate and any exemptions.

Is HTS 6806.10.00 subject to Section 232 tariffs?

No Section 232 tariff applies to HTS 6806.10.00 as of Oct 1, 2026, from any country of origin.

HTSLookup shows the duties CBP collects on this code by country of origin. Antidumping or countervailing duties may also apply to some exporters; they're set per company and aren't shown.