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SITCSection 7
U.S. imports of dryers for treatment of materials (n.e.s.) (SITC 74186) totaled $47.4M in July 2026, traded with 40 countries.
Importers of Dryers for Treatment of Materials (N.E.S.) paid $4.7M in duties in July 2026 — an effective duty rate of 11% on $44.6M in dutiable value, based on actual customs collections rather than the published tariff schedule. Dryers for Treatment of Materials (N.E.S.) imports of $47.4M in July 2026 ran 88% above the year-to-date monthly average of $25.2M.
Last updated: July 2026 dataResidual industrial dryers not elsewhere specified — including spray dryers, fluidized-bed dryers, freeze dryers, and tunnel dryers used across chemical, pharmaceutical, ceramic, and food-processing industries — are captured under this catch-all heading when they do not qualify under the dedicated agricultural or wood/paper dryer categories. The wide range of technologies and end-use sectors means that technical specifications and the material being processed are the primary classification anchors. Pharmaceutical freeze dryers (lyophilizers) in particular may attract additional scrutiny given their dual-use potential in biotech manufacturing.
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482 shipments/mo
Basic heading 236 of 642 in section 7
Basic heading 74186 · $47.4M of $175.6B
Lyophilizers used for pharmaceutical or biotech manufacturing generally fall under this residual dryer heading when they are not specifically designed for agricultural or wood/paper applications. However, if a lyophilizer is configured and marketed as a laboratory instrument, it may be classifiable under laboratory apparatus headings instead, so the intended commercial application is the deciding factor.
Importers should retain the manufacturer's technical specifications, product catalog descriptions, and any application-specific design documentation showing that the dryer is not designed for agricultural products or wood/paper processing. A binding ruling request from CBP can provide advance certainty for high-value or recurring shipments.
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Imports · July 2026
origin
Korea, South and Germany together supply 54% of it.
customs district
Census does not publish district detail for this classification system.
destination
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$47.4MYoY · Pro
Exports
$7.0MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.