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HSChapter 69
U.S. imports of ceramic bricks, blocks & tiles of siliceous fossil meals and earths (HS 690100) totaled $469K in May 2026, traded with 17 countries.
Importers of Ceramic Bricks, Blocks & Tiles of Siliceous Fossil Meals and Earths paid $56K in duties in May 2026 — an effective duty rate of 12% on $469K in dutiable value, based on actual customs collections rather than the published tariff schedule. Ceramic Bricks, Blocks & Tiles of Siliceous Fossil Meals and Earths imports of $469K in May 2026 ran 59% above the year-to-date monthly average of $294K.
Last updated: May 2026 dataCeramic goods — including bricks, blocks, and tiles — manufactured from siliceous fossil meals such as kieselguhr (diatomite) or tripolite are classified under a single tariff line, 6901000000. These highly porous, low-density materials are prized for thermal insulation in industrial furnaces, kilns, and filtration systems, where their siliceous microstructure provides both heat resistance and low thermal mass. China leads US imports under this heading, with Italy and Poland also significant sources. Because these products are fired ceramic goods, they are distinct from unfired mineral articles in Chapter 68, and importers should confirm that the siliceous fossil meal content — rather than conventional clay or alumina — is the primary constituent.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Heading 6901 specifically covers ceramic goods made from siliceous fossil meals (diatomite, kieselguhr, tripolite) or similar siliceous earths. Conventional refractory bricks made from alumina, magnesia, or fireclay classify under heading 6902. The key classification factor is the primary raw material: if the brick's structure derives from the porous siliceous fossil material rather than a conventional refractory mineral, heading 6901 applies. Manufacturer material certifications and raw material composition data are the most useful supporting documents.
Chinese-origin ceramic goods under this heading may be subject to Section 301 tariffs. Importers should verify the current applicability of Section 301 measures to tariff line 6901000000 before shipment, as coverage has evolved over successive rounds of trade actions. Italy and Poland, which are also leading suppliers, are not subject to Section 301 measures.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| CANADA | -- | $228K | +$228K |
| POLAND | $172K | -- | -$172K |
| UNITED KINGDOM | $117K | $3K | -$114K |
| CHINA | $70K | -- | -$70K |
| ANTIGUA AND BARBUDA | -- | $69K | +$69K |
Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 6901000000 | BRCKS BLCKS TLS/CERMC GDS OF SLCS FOSL MLS&EARTHS | $395K | 11.10% | 100.00% | $44K |
BRCKS BLCKS TLS/CERMC GDS OF SLCS FOSL MLS&EARTHS
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 6901000000 | BRCKS BLCKS TLS/CERMC GDS OF SLCS FOSL MLS&EARTHS | $363K |
BRCKS BLCKS TLS/CERMC GDS OF SLCS FOSL MLS&EARTHS
4.0K t
CERAMIC SANITARY FIXTURES OF PORCELAIN OR CHINA
HS 691010
CERAMIC FLAGS/PAVING/ETC, H20 ABS COEF WT <= 0.5%
HS 690721
CERAMIC TABLEWRE, KITCHNWRE ETC, EARTHENWARE ETC
HS 691200
CERAMIC WARES FOR LABORATORY ETC USE NESOI
HS 690919
STATUTTES A OTH ORNMNTL CERAM ARTCLS NT PORC/CHINA
HS 691390
CERAMIC TABLEWARE & KITCHENWARE, PORCELAIN & CHINA
HS 691110
| State | Imports | Exports | Balance |
|---|---|---|---|
| Massachusetts | $144K | -- | -$144K |
| Pennsylvania | -- | $107K | +$107K |
| Texas | $89K | -- | -$89K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| MIAMI, FL | $24K | $89K | +$65K |
| BLAINE, WA | -- | $86K | +$86K |
| NEWARK, NJ | $79K | -- | -$79K |