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680690Chapter 68

HS code 680690: Slag-wool

Covers:
Slag-wool, rock-wool and similar mineral wools; exfoliated vermiculite, expanded clays… not listed under the other codes in this heading.
Not covered:
680610 (Slag-wool, rock-wool and similar mineral wools…); 680620 (Exfoliated vermiculite, expanded clays, foamed…).
Listed US duty:
0% (US general rate, HTS 2026)

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 : Other

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What 680690 covers and what it doesn’t

Official text: 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 › Other.

This is the “other” line of heading 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). It takes goods of that heading that no more specific subheading names. These go elsewhere:

  • 680610 Slag-wool, rock-wool and similar mineral wools (including intermixtures thereof), in bulk, sheets or rolls
  • 680620 Exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral materials (including intermixtures thereof)

Nearby codes to check

  • Heading 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: every subheading side by side.

US duty rate

0%

General (MFN) rate in the US Harmonized Tariff Schedule, 2026 edition. A range means the rate depends on the 8-digit US line your product falls under. Extra duties such as Section 301, Section 232 or anti-dumping orders can apply on top, depending on origin. Check the lines on hts.usitc.gov. Not legal advice.

Who imports under 680690

EximAgent lists companies with recorded shipments under this code, built from customs records, with who they buy from and how often. See importers of 680690 →

Common questions

What is HS code 680690?
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 :…
What duty rates apply to 680690?
Listed duty rates range from 0% across 1 country rate.

Browse all of Chapter 68: Articles of stone, plaster, cement, asbestos, mica or similar materials →

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