Section XIII · Ceramic products
6902.10
Containing by weight, singly or together, more than 50 percent of the elements magnesium, calcium or chromium, expressed as MgO, CaO or Cr2O3:
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Chapter
Ceramic products
Heading
The product family within the chapter
Subheading
The specific good, identical worldwide
The first six digits are the same in every country that uses the Harmonized System. The United States adds two more for the tariff rate and, often, two more for statistics — which is why the rates below are listed against 8- and 10-digit numbers rather than against this code.
How the schedule reaches this code
- 69Ceramic products
- 6902Refractory 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:
Published US duty rates
Duty is set at the 8- or 10-digit line, not at this 6-digit subheading, so more than one rate can sit under this code.
- 6902.10.10.00Magnesite bricksthousands, t
- General
- Free
- Special (FTA)
- —
- Column 2
- 13%
No preferential rate published.
Countries without normal trade relations.
- 6902.10.50.00Othert
- General
- Free
- Special (FTA)
- —
- Column 2
- 30%
No preferential rate published.
Countries without normal trade relations.
This is the listed rate. Antidumping and countervailing duty orders, Chapter 99 actions and preference qualification all change what is actually collected, and classification is a judgement about your goods. Verify with your licensed customs broker before you file.
Estimate the duty for this code
Choose where the goods come from and enter their customs value in US dollars. Free, with no signup — an estimate from the published rates, to confirm with your licensed customs broker.
Other subheadings in heading 6902
Source: U.S. International Trade Commission (USITC) — 2026 HTS Revision 20, released 2026-09-28, published at hts.usitc.gov. A U.S. Government work in the public domain.