Chapter 68: Articles of stone, plaster, cement, asbestos, mica or similar materials
HTS heading 6806: Slag wool, rock wool and similar mineral wools; exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral materials;…
12 numbered lines under heading 6806, including 9 10-digit statistical lines. The first six digits are the international HS subheading; the general column is the normal US duty rate.
| HTS code | Description | Unit | General | Special | Column 2 |
|---|---|---|---|---|---|
| 6806 | 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: | ||||
| 6806.10.00 | Slag wool, rock wool and similar mineral wools (including intermixtures thereof), in bulk, sheets or rollsNote: See 9903.90.08. | 3.9% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 30% | |
| 6806.10.00.10 | Accoustical pads and boards | m2 | |||
| Other: | |||||
| 6806.10.00.20 | Batts, not exceeding 61 cm in width | m2 | |||
| 6806.10.00.40 | Batts, exceeding 61 cm in width | m2 | |||
| 6806.10.00.60 | Pipe coverings | m2 | |||
| 6806.10.00.90 | Other | m2 | |||
| 6806.20.00.00 | Exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral materials (including intermixtures thereof)Note: See 9903.90.08. | kg | Free | 30% | |
| 6806.90.00 | Other | Free | 30% | ||
| 6806.90.00.10 | Accoustical pads and boards | m2 | |||
| Other: | |||||
| 6806.90.00.20 | Of molded calcium silicate | m2 | |||
| 6806.90.00.90 | Other | kg |
Statistical (10-digit) lines without a rate use the rate of the 8-digit line above them. Additional duties such as Section 301 and Section 232 may apply; check them with the tariff checker.
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Request a free auditSource: Harmonized Tariff Schedule of the United States, 2026 HTS Revision 20 (effective 2026-09-28), U.S. International Trade Commission (hts.usitc.gov), imported 2026-10-07. Reference only; not legal or customs advice or a binding classification. Additional duties under Chapter 99 may apply. ShipWave is not affiliated with the USITC or U.S. Customs and Border Protection.