Heading 6806: Slag wool, rock wool and similar mineral wools; exfoliated vermiculite, expanded clays…
Every line of heading 6806 in the U.S. Harmonized Tariff Schedule, with its general (column 1) duty rate. Open a code for the landed cost calculator, trade agreement rates and email alerts if the rate changes.
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
Chapter 68: Articles of stone, plaster, cement, asbestos, mica or similar materials. Schedule checked on November 8, 2026.
Not always the total: additional chapter 99 duties (such as Section 232 or Section 301), antidumping or countervailing duties may apply depending on the country of origin. See recent chapter 99 changes →
Tariff lines
| HTS code | Official description | General rate |
|---|---|---|
| 6806.10.00 | Slag wool, rock wool and similar mineral wools (including intermixtures thereof), in bulk, sheets or rolls | 3.9% |
| 6806.10.00.10 | Accoustical pads and boards | |
| 6806.10.00.20 | Batts, not exceeding 61 cm in width | |
| 6806.10.00.40 | Batts, exceeding 61 cm in width | |
| 6806.10.00.60 | Pipe coverings | |
| 6806.10.00.90 | Other | |
| 6806.20.00.00 | Exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral materials (including intermixtures thereof) | Free |
| 6806.90.00 | Other | Free |
| 6806.90.00.10 | Accoustical pads and boards | |
| 6806.90.00.20 | Of molded calcium silicate | |
| 6806.90.00.90 | Other |
Exporting this product from the U.S.?
Exports are reported with Schedule B numbers. Heading 6806 has 4 of them. Schedule B lookup →
- 6806.10.0000SLAG WOOL, ROCK WOOL AND OTHER MINERAL WOOLS (INCLUDING INTERMIXTURES THEREOF), IN BULK, SHEETS OR ROLLS, NOT INCLUDING ACOUSTICAL PADS AND BOARDS
- 6806.20.0000EXFOLIATED VERMICULITE, EXPNDED CLAYS, FOAMED SLAG, AND OTHR EXPANDEDMINERAL MATERIALS INCLUDING INTERMIXTURES THEREOF
- 6806.90.0010ACCOUSTICAL PADS AND BOARDS OF MINERAL MATERIALS NESOI
- 6806.90.0050MIXTURES AND ARTICLES OF HEAT-INSULATING SOUND-ABSORBING MINERAL MATERIALS, NESOI
Source: U.S. International Trade Commission, Harmonized Tariff Schedule; Schedule B: U.S. Census Bureau. Information only, not legal or customs advice; U.S. Customs and Border Protection decides the classification and the duty. Confirm with a licensed customs broker before you ship.
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