HS code 6806.90: 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 68.11 or 68.12 or of Chapter 69
Last updated
Key facts
- HS code
- 6806.90
- Covers
- 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 68.11 or 68.12 or of Chapter 69
- Edition
- HS2022
- Duty in the United States
- See its 3 lines
Summary
HS code 6806.90 covers 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 68.11 or 68.12 or of Chapter 69, other than those classified in 6806.10 and 6806.20. It sits in heading 68.06 (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 68.11 or 68.12 or of Chapter 69) in chapter 68 (articles of stone, plaster, cement, asbestos, mica or similar materials). Other goods of heading 68.06 are classified under 6806.10 (slag wool, rock wool and similar mineral wools (including intermixtures thereof), in bulk, sheets or rolls) and 6806.20 (exfoliated vermiculite, expanded clays, foamed slag or similar expanded mineral materials (including intermixtures thereof)). National tariff lines under 6806.90 are live on border.bot for the United States (3 lines, also used by 1 other country).
What this code covers
HS code 6806.90 covers 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 68.11 or 68.12 or of Chapter 69, other than those classified in 6806.10 and 6806.20.
The legal text of the subheading is “Other”, in HS2022.
What it doesn’t cover
Other goods of heading 68.06 are classified under 6806.10 (slag wool, rock wool and similar mineral wools (including intermixtures thereof), in bulk, sheets or rolls) and 6806.20 (exfoliated vermiculite, expanded clays, foamed slag or similar expanded mineral materials (including intermixtures thereof)).
How it is structured
6806.90 is a six-digit subheading. Its first two digits, 68, are the chapter; the first four, 6806, are heading 68.06; the last two, 90, identify the subheading within the heading.
Countries add their own digits after these six for their national tariff lines.
- Subheading 6806.90
- Other
In other countries
National tariff lines under 6806.90 are live on border.bot for the United States (3 lines, also used by 1 other country).
- United States3 lines, used by 1 other country
Frequently asked questions
What does HS code 6806.90 cover?
HS code 6806.90 covers 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 68.11 or 68.12 or of Chapter 69, other than those classified in 6806.10 and 6806.20.
Which heading and chapter is HS code 6806.90 in?
HS code 6806.90 is in heading 68.06 (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 68.11 or 68.12 or of Chapter 69) in chapter 68 (articles of stone, plaster, cement, asbestos, mica or similar materials).
Where are goods of heading 68.06 classified when 6806.90 doesn’t fit?
Other goods of heading 68.06 are classified under 6806.10 (slag wool, rock wool and similar mineral wools (including intermixtures thereof), in bulk, sheets or rolls) and 6806.20 (exfoliated vermiculite, expanded clays, foamed slag or similar expanded mineral materials (including intermixtures thereof)).
Which countries’ tariffs list national lines under HS code 6806.90?
National tariff lines under 6806.90 are live on border.bot for the United States (3 lines, also used by 1 other country).
Sources and updates
The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.
This page was last updated on 11 October 2026.
Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.