6806.20.00.00
Exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral materials (including intermixtures thereof)
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
Data provenance: Rates from HTS Revision 16 (Aug 15, 2026); trade measures verified against CBP CSMS and Federal Register notices through Aug 15, 2026.
Duty rates
Column 1 (General / MFN)
Free
Column 2 (Non-NTR)
30%
The rates above are statutory column rates. Trade remedies in Chapter 99 (Section 301, 232, IEEPA, reciprocal) and FTA preferences can change the duty owed on a given entry — see below.
Trade measures (Chapter 99)
9903.90.08
35%
ActiveArticles the product of the Russian Federation, as provided for in U.S. note 30(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 30(b) to this subchapter
Applies to origin: RU, BY
Effective from April 5, 2025
Rate-change history
What the rate was before, and when it changed. The government schedule replaces each revision in place; we keep the timeline.
-
NEW_PROGRAM Executive Order Feb 1, 2026 — Reciprocal Tariff (FR 2026-03824)
Section 122 reciprocal surcharge in effect — additional 10% on most imports through July 24, 2026
See the change → -
Base rate HTS 2023
Column 1 general rate set to Free.
Related CBP rulings
The tariff classification of three ceramic fiber products and two ceramic bricks from China.
This analysis has been completed. The TaoFibre Ceramic Fiber Blanket is a needled mat measuring 12.5 feet, 17 feet or 25 feet long, either 24 inches (61 centimeters) or 48 inches (122 centimeters) wide, and in thicknesses ranging from 0.25
Country of Origin and USMCA Eligibility of the ecoCUBE Air Purification Device
The good at issue is the ecoCUBE air purification device for large combustion engines. Like a catalytic converter in a vehicle, the ecoCUBE is designed to meet emissions standards for large internal combustion engines in industrial applicat
The tariff classification of mineral wool growing media from Turkey.
The merchandise under consideration are referred to as Begrow Plugs, Begrow Cubes, and Begrow Slabs. From the information you provided, the Begrow products are made of mineral wool manufactured from basalt, and are designed and sold as grow
USMCA Eligibility of Lubrigel L; Country of Origin Marking
Lubrigel L is a complexed polysaccharide gel forming polymer with rheological and viscoelastic properties. It exhibits both viscous (liquid-like) and elastic (solid-like) properties. Lubrigel L is imported in a liquid form in pails that are
The tariff classification of a growing medium from China.
From the information you provided, the Sponge Model consists of 48 percent by weight expanded natural vermiculite, 45 percent by weight polyurethane, and 7 percent by weight controlled-release fertilizer. It is designed as a growth medium f
The tariff classification of flexible sound-insulating rolls from Italy.
This analysis has been completed. The Armacomfort Barriers are flexible, self-adhesive rolls designed to be affixed to various surfaces, such as walls, ceilings, fences, partitions, pipes, and ducts, in order to provide sound insulation.
The tariff classification of expanded clay pebbles and expanded clay and coco coir pebbles from the Netherlands.
This analysis has been completed. The Pure Hydroton and HydroCoco Mix are irregularly spherical in shape and are of various sizes. The Pure Hydroton pebbles measure approximately .75 inches across at their widest points, while the HydroCoco
Reconsideration of NY N226655 and NY N226658; Classification of Agricultural Rock Wool
Grodan imports rock wool in bulk that is ultimately used as a growing medium for plants in commercial greenhouses and in hydrophonic growing systems. According to your June 26 submission, agricultural rock wool is suitable for such in that
The tariff classification of an article of insulating mineral material from Spain
The sample was sent to our U.S. Customs and Border Protection (CBP) laboratory. Our laboratory has now completed its analysis of this material. Our CBP laboratory has determined that the Microtherm Super G material consists of insulating mi
Revocation of NY N125656, dated December 13, 2010; subheading 6806.90.00, HTSUS; tariff classification of an article of insulating mineral materials
In NY N125656, we stated that the product identified as part number 23059513 and described as a “thermal insulation blanket” consists of “ceramic fiber (mineral wool) pads encapsulated in one-inch woven textile squares covered with an outer
The tariff classification of rock wool from the Netherlands and Poland
” You submitted samples of these items with your ruling request. These samples were sent to our Customs and Border Protection Laboratory for analysis. Our laboratory has now completed its analysis. Each of these items is in rectangular form
The tariff classification of rock wool from the Netherlands and Poland
” You submitted samples of these items with your ruling request. These samples were sent to our Customs and Border Protection Laboratory for analysis. Our laboratory has now completed its analysis. Each of these items is in rectangular form
Other codes in heading 6806
Duty by origin country
The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 6806.20.00.00 from each major US trading partner.
Follow 6806.20.00.00
Get an email when a new CBP ruling cites this code, a ruling on it is revoked, or its tariff measures change.
One email per day at most. Confirm your address once, unsubscribe anytime.
Need to defend this classification?
Get the full 10-digit classification with GRI reasoning for your product, backed by cited CBP rulings and an audit trail for reasonable care.