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HSChapter 85
U.S. imports of ceramic insulators to be used in the production of spark plugs for natural gas-fueled, stationary, internal combustion engines (HS 8547104000) totaled $176K in June 2026, traded with 10 countries.
Importers of Ceramic Insulators to Be Used in the Production of Spark Plugs for Natural Gas-Fueled, Stationary, Internal Combustion Engines paid $37K in duties in June 2026 — an effective duty rate of 21% on $176K in dutiable value, based on actual customs collections rather than the published tariff schedule. Ceramic Insulators to Be Used in the Production of Spark Plugs for Natural Gas-Fueled, Stationary, Internal Combustion Engines imports of $176K in June 2026 ran 61% below the year-to-date monthly average of $446K.
Last updated: June 2026 data| Country | Imports | Exports | Balance |
|---|---|---|---|
| JAPAN | $94K | -- | -$94K |
| CHINA | $55K | -- | -$55K |
| FRANCE | $23K | -- | -$23K |
| CZECH REPUBLIC | $3K | -- | -$3K |
| GERMANY | -- | -- | -- |
Monthly import values over time
No geographic breakdown available
U.S. trade for this product is not broken down by state or port in the latest Census Bureau release.
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