U.S. imports of Dryers for Treatment of Materials (N.E.S.) (SITC 74186) totaled $32.3M in August 2026, imported from 40 countries.
Importers of Dryers for Treatment of Materials (N.E.S.) paid $4.1M in duties in August 2026, an average duty rate of 12.78% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Dryers for Treatment of Materials (N.E.S.) imports of $32.3M in August 2026 ran 24% above the year-to-date monthly average of $26.1M.
Last updated: August 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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566 import shipments a month
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.
Basic heading 283 of 642 in section 7
Basic heading 74186 · $32.3M of $172.0B
Imports · August 2026
origin
South Korea and Germany together supply 42% of it. China pays 37.2% duty; Germany 5.0%.
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.
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ImportsExports
Imports
$32.3MYoY · free account
Exports
$10.1MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $282.4M of Dryers for Treatment of Materials (N.E.S.).
Through August 2026 · exports 10 of 12 months reported. Source: U.S. Census Bureau.