HTS 6810.99.00Articles of cement, of concrete or of artificial stone, whether or not reinforced:Other articles: Other

What that translates to:Other cement, concrete or artificial stone goods (e.g. quartz slabs)

Also written 68109900. Rates as CBP is collecting them today. Updated Oct 1, 2026.

Country of origin

Other cement, concrete or artificial stone goods (e.g.… (HTS 6810.99.00) from China owe 62.5% in total duties as of Oct 1, 2026: no regular duty plus a 25% quartz safeguard tariff (Section 201) and a 12.5% forced-labor tariff (Section 301) and a 25% China tariff (Section 301).

Total duty rate62.5%That's $6,250 on a $10,000 shipment.

Quartz safeguard tariffSection 201, since Aug 15, 2026Applies only to lines 6810.99.0020, 6810.99.004025%

Forced-labor tariffSection 301, since Jul 24, 202612.5%

China tariffSection 301, since May 10, 201925%

Regular dutyBase rate (MFN) in the tariff scheduleFree

Total duty62.5%

The quartz safeguard tariff instead adds 50% where this applies: “entered in an aggregate quantity exceeding the quantity defined in note 41(d) to this subchapter” (HTS 9903.45.31). Lines 6810.99.0020, 6810.99.0040.

Court status: Challenged at the U.S. Court of International Trade in In re Section 301 Forced Labor Cases, Court No. 26-03555-3JP, before a three-judge panel. The plaintiffs, Learning Resources and others, have moved for judgment on the agency record, arguing that the action (91 FR 47318) exceeds USTR's statutory authority, is arbitrary and capricious, and is pretextual; 25 states, plaintiffs in Court No. 26-cv-03467-3JP, support them as amici (brief filed Sep 11, 2026). No ruling as of Oct 1, 2026, so the rate is unchanged.

Sources: USITC Harmonized Tariff Schedule, Revision 20 (2026); Proclamation 11051 of Jul 31, 2026, To Facilitate Positive Adjustment to Competition From Imports of Quartz Surface Products, 91 FR 50645, Aug 5, 2026; HTS 9903.45.30; USTR, Notice of Actions in Section 301 Investigations (forced labor), 91 FR 47318, Jul 28, 2026; HTS 9903.05.31; USTR, Notice of Modification of Section 301 Action (List 3 raised to 25% from May 10, 2019), 84 FR 20459, May 9, 2019; HTS 9903.88.03.

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Official description

Articles of cement, of concrete or of artificial stone, whether or not reinforced: Other articles: Other

Legal text from the Harmonized Tariff Schedule, Revision 20 (2026), chapter 68: Articles of stone, plaster, cement, asbestos, mica or similar materials.

Statistical lines

The 10-digit numbers used on entry paperwork. They share this code's duty rates.

6810.99.0020 (6810990020)In slabs of rectangular shape, with a length of 3 m or more and a width of 1.25 m or more · reported in m2
6810.99.0040 (6810990040)Other · reported in m2
6810.99.0080 (6810990080)Other · reported in No.

What changed for this code

Sep 29, 2026Import bans on some Canadian products on the Section 338 lists take effect
Sep 15, 2026Canada Section 338 lists change, and goods under Section 232 lose their exemption
Aug 22, 2026Section 338 duties of 50% on listed Canadian products start
Aug 15, 2026Section 201 safeguard tariff on quartz surface products starts
Jul 24, 2026Forced-labor tariffs start on imports from 60 economies (Section 301)
Jul 22, 202625% Section 301 tariff on products of Brazil starts
Jan 1, 2026Section 301 tariff on Nicaragua starts at 0%, set to rise to 10% in 2027 and 15% in 2028

Questions about HTS 6810.99.00

What is the duty rate for HTS 6810.99.00?

The regular (column 1 general) rate printed in the tariff schedule is Free. Goods from China owe 62.5% in total as of Oct 1, 2026, including any additional tariffs. Additional tariffs depend on the country of origin; choose one above to see its full rate.

Is HTS 6810.99.00 subject to Section 301 tariffs?

Yes, for goods from 85 countries and territories as of Oct 1, 2026, including Algeria, Angola, Argentina, Australia, Austria. Choose a country above to see the rate and any exemptions.

Is HTS 6810.99.00 subject to Section 232 tariffs?

No Section 232 tariff applies to HTS 6810.99.00 as of Oct 1, 2026, from any country of origin.

HTSLookup shows the duties CBP collects on this code by country of origin. Antidumping or countervailing duties may also apply to some exporters; they're set per company and aren't shown.