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:

Part of Chapter 68 — Articles of Stone, Plaster, Cement, Section XIII.

Subheadings and tariff lines

6806.10.00Slag wool, rock wool and similar mineral wools (including intermixtures thereof), in bulk, sheets or rolls 6806.10.00.10Accoustical pads and boards

6806.10.00D01Other:

6806.10.00.20Batts, not exceeding 61 cm in width 6806.10.00.40Batts, exceeding 61 cm in width 6806.10.00.60Pipe coverings 6806.10.00.90Other 6806.20.00.00Exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral materials (including intermixtures thereof) 6806.90.00Other 6806.90.00.10Accoustical pads and boards

6806.90.00D02Other:

6806.90.00.20Of molded calcium silicate 6806.90.00.90Other

Recent CBP rulings on heading 6806

N348791 September 9, 2025

The tariff classification of three ceramic fiber products and two ceramic bricks from China.

H346628 August 15, 2025

Country of Origin and USMCA Eligibility of the ecoCUBE Air Purification Device

N347742 May 2, 2025

The tariff classification of mineral wool growing media from Turkey.

H334088 March 29, 2024

USMCA Eligibility of Lubrigel L; Country of Origin Marking

N335874 October 24, 2023

The tariff classification of a growing medium from China.

N333513 September 29, 2023

The tariff classification of flexible sound-insulating rolls from Italy.

N302831 October 24, 2019

The tariff classification of expanded clay pebbles and expanded clay and coco coir pebbles from the Netherlands.

H238476 March 27, 2015

Reconsideration of NY N226655 and NY N226658; Classification of Agricultural Rock Wool

N238115 May 7, 2013

The tariff classification of an article of insulating mineral material from Spain

H146056 January 2, 2013

Revocation of NY N125656, dated December 13, 2010; subheading 6806.90.00, HTSUS; tariff classification of an article of insulating mineral materials

N226658 September 25, 2012

The tariff classification of rock wool from the Netherlands and Poland

N226655 September 24, 2012

The tariff classification of rock wool from the Netherlands and Poland

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