# HTS 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:

https://geopax.app/tariffs/catalog/68/6806

Source: [2026 HTS Revision 21 (October 9, 2026)](https://hts.usitc.gov/search?query=6806). Additional duties by country of origin may apply; estimate a shipment's full duty with the tariff calculator: https://geopax.app/tariffs/calculator

## 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:

| Code | Description | General | Special | Column 2 | Units |
| --- | --- | --- | --- | --- | --- |
| 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 rolls | 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 | 3.9% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 30% | m2 |
|  |     Other: | 3.9% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 30% |  |
| 6806.10.00.20 |       Batts, not exceeding 61 cm in width | 3.9% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 30% | m2 |
| 6806.10.00.40 |       Batts, exceeding 61 cm in width | 3.9% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 30% | m2 |
| 6806.10.00.60 |       Pipe coverings | 3.9% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 30% | m2 |
| 6806.10.00.90 |       Other | 3.9% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 30% | m2 |
| 6806.20.00.00 |   Exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral materials (including intermixtures thereof) | Free |  | 30% | kg |
| 6806.90.00 |   Other | Free |  | 30% |  |
| 6806.90.00.10 |     Accoustical pads and boards | Free |  | 30% | m2 |
|  |     Other: | Free |  | 30% |  |
| 6806.90.00.20 |       Of molded calcium silicate | Free |  | 30% | m2 |
| 6806.90.00.90 |       Other | Free |  | 30% | kg |