6902.10.50.00

Other

Refractory bricks, blocks, tiles and similar refractory ceramic constructional goods, other than those of siliceous fossil meals or similar siliceous earths: Containing by weight, singly or together, more than 50 percent of the elements magnesium, calcium or chromium, expressed as MgO, CaO or Cr2O3

Unit: t Heading: 6902 Chapter: 69 As of May 1, 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)

9903.03.01

The duty provided in the applicable subheading + 10%

Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Effective from February 24, 2026 through July 24, 2026

9903.03.02

The duty provided in the applicable subheading

Articles the product of any country that (1) were loaded onto a vessel at the port of loading and in transit on the final mode of transit prior to entry into the United States, before 12:01 a.m. eastern standard time on February 24, 2026; and (2) are entered for consumption, or withdrawn from warehouse for consumption, before 12:01 a.m. eastern standard time on February 28, 2026

Effective from February 24, 2026 through July 24, 2026

9903.03.03

The duty provided in the applicable subheading

Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

Effective from February 24, 2026 through July 24, 2026

9903.03.04

The duty provided in the applicable subheading

Articles the product of any country, as provided for in subdivision (aa)(iii) of U.S. note 2 to this subchapter

Effective from February 24, 2026 through July 24, 2026

9903.03.05

The duty provided in the applicable subheading

Articles of civil aircraft (all aircraft other than military aircraft); their engines, parts and components; their other parts, components and subassemblies; and ground flight simulators and their parts and components of any country, provided for in subdivision (aa)(iv) of U.S. note 2 to this subchapter

Effective from February 24, 2026 through July 24, 2026

9903.03.06

The duty provided in the applicable subheading

Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter

Effective from February 24, 2026 through July 24, 2026

9903.03.07

The duty provided in the applicable subheading

Articles the product of Canada, as provided for in subdivision (aa)(vi) of U.S. note 2 to this subchapter

Applies to origin: CA

Effective from February 24, 2026 through July 24, 2026

9903.03.08

The duty provided in the applicable subheading

Articles the product of Mexico, as provided for in subdivision (aa)(vii) of U.S. note 2 to this subchapter

Applies to origin: MX

Effective from February 24, 2026 through July 24, 2026

9903.03.09

The duty provided in the applicable subheading

Articles of textiles or apparel the product of Costa Rica, the Dominican Republic, El Salvador, Guatemala, Honduras or Nicaragua, as provided for in subdivision (aa)(viii) of U.S. note 2 to this subchapter

Applies to origin: CR, SV, GT, HN, NI, DO

Effective from February 24, 2026 through July 24, 2026

9903.03.10

The duty provided in the applicable subheading

Articles that are donations, by persons subject to the jurisdiction of the United States, such as food, clothing and medicine, intended to be used to relieve human suffering

Effective from February 24, 2026 through July 24, 2026

9903.03.11

The duty provided in the applicable subheading

Articles that are informational materials, including but not limited to publications, films, posters, phonograph records, photographs, microfilms, microfiche, tapes, compact disks, CD ROMs, artworks and news wire feeds

Applies to origin: IL

Effective from February 24, 2026 through July 24, 2026

9903.88.03

LIST_1

The duty provided in the applicable subheading + 25%

Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

Applies to origin: CN

Effective from August 23, 2018

Related CBP rulings

N348791 September 9, 2025

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

H233041 April 1, 2014

Protest number 1704-11-100407; Generalized System of Preferences; Classification of Stone; Granite; Laboratory Analysis and Report; subheading 6902.93, HTSUS

The merchandise at issue is three types of stone imported from Brazil used as building materials for items such as kitchen counter tops. The specific stones at

N137857 August 19, 2011

The tariff classification of refractory ceramic bricks from China.

S. Customs and Border Protection Laboratory for analysis. Laboratory analysis determined that the sample brick was made of refractory ceramic composed of approximately 96 percent magnesia, but no evidence was found of carbon, resin or pitch

N144946 August 19, 2011

The tariff classification of refractory ceramic bricks from China.

S. Customs and Border Protection Laboratory for analysis. Laboratory analysis determined that the sample brick was made of refractory ceramic composed of 65% magnesium oxide and lesser amounts of compounds of aluminum, silicon, calcium, iro

C82736 December 29, 1998

The tariff classification of refractory cathode blocks from Germany.

The subject merchandise is cathode blocks, designated as "BN" and "5BGN," which are also known in the industry as "bottom blocks" and "carbon blocks." They are specially constructed for the lining of aluminum reduction furnaces known as "ce

960671 November 13, 1997

Reconsideration of NY 877860; Anthracite/Graphite Compositeand Graphitic Cathode Blocks; Chapter 69, Additional U.S. Note 1;Substantially Crystalline; Eastalco Aluminum v. U.S. (Eastalco I, II, and III);955718; 8545.90.40

The merchandise which was the subject of NY 877860 consists of cathode blocks (style nos. HC3, HC5, and HC10) made of anthracite/graphite composites and graphite. Representative sizes of the cathode blocks are as follows: 20 in. x 18 in. x

957415 September 6, 1995

Protest 0901-94-101205; refractory articles; well blocks, solid plugs, bell bricks, center risers, bottom guides, spider bricks, runner bricks, up-gates; Additional U.S. Note 2, Chapter 69; refractory bricks; 6902.20.50; other refractory articles; 6903.20.00; other refractory ceramic goods; EN 69.02 and 69.03; John C. Rogers & Co., Inc., a/c Hoeganaes Sponge Iron Corp; Pittsburgh Plate Glass Company; HRLs 086441, 087895, 061716, 083745, and 955836

The refractory articles at issue are well blocks, solid plugs, bell bricks, center risers, bottom guides, spider bricks, runner bricks, and up-gates. The protestant states that the refractory articles are used in the "bottom pour system" by

877860 May 5, 1993

The tariff classification of Cathode Blocks from France

The tariff classification of Cathode Blocks from France

865682 November 7, 1991

The tariff classification of refractory bricks from France.

31" by 4.31" and, according to our lab analysis, is com- posed wholly of graphite (a crystalline form of carbon). This material was found to contain approximately 95 percent to 100 percent crystallinity. The graphite bricks and the composit

852841 June 19, 1990

The tariff classification of refractory articles from Canada.

The articles in question are shaped articles measuring 7 5/8 inches x 2 1/4 inches and are made primarily of iron, silica and alumina. The articles are used as bottom liners, set in place but not mortared, in gas fueled barbecues. The densi

083745 March 22, 1990

Reconsideration of NY 829584

The refractory articles at issue are tiles used to line the throat aperture of a boiler furnace, protecting its boiler tubes. The tiles, which are made of silicon carbide, are referred to as Qt burner quarls or Qt tiles. These tiles extend

Other codes in heading 6902

View all codes in heading 6902 →

Duty by origin country

The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 6902.10.50.00 from each major US trading partner.

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