Slag, rock wool and similar mineral wools; exfoliated vermiculite, expanded clays, foamed slag, mixtures and articles of heat, sound insulating or sound-absorbing mineral materials

6-digit subheadings (3)

Official HS 2022 subheading texts. National tariff schedules subdivide these further (8-10 digit lines) and set the actual duty rates.

Chapter 68 classification notes

Classification certainty

The 6-digit level shown here is the internationally harmonised layer. Duty rates attach to national 8-10 digit tariff lines, which differ by country — use the duty calculator for lane estimates. For binding certainty, request a ruling from the destination customs authority.

Other headings in Chapter 68

• 6801 — Stone; setts, curbstones and flagstones, of natural stone (except slat…
• 6802 — Monumental or building stone, worked (except slate) and articles there…
• 6803 — Slate, worked; and articles of slate or of agglomerated slate
• 6804 — Millstones, grindstones, grinding wheels, etc without frameworks, for …
• 6805 — Abrasive powder or grain; natural or artificial, on a base of textile …
• 6807 — Asphalt or similar material; articles (e.g. petroleum bitumen or coal …
• 6808 — Panels, boards, tiles, blocks and the like; of vegetable fibre, of str…
• 6809 — Plaster or compositions based on plaster; articles thereof
• 6810 — Cement, concrete or artificial stone; whether or not reinforced, artic…
• 6811 — Asbestos-cement, of cellulose fibre-cement or the like
• 6812 — Fabricated asbestos fibres; mixtures with a basis of asbestos or of as…
• 6813 — Friction material and articles thereof (e.g. sheets, rolls, strips, se…
• 6814 — Mica; worked, articles of, including agglomerated or reconstituted mic…
• 6815 — Stone or other mineral substances; articles thereof (including carbon …