U.S. imports of Lyophilization Apparatus, Freeze-Drying Units, and Spray Dryers (HS 841933) totaled $1.8M in August 2026, imported from 18 countries.
Importers of Lyophilization Apparatus, Freeze-Drying Units, and Spray Dryers paid $256K in duties in August 2026, an average duty rate of 14.19% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Lyophilization Apparatus, Freeze-Drying Units, and Spray Dryers imports of $1.8M in August 2026 ran 96% above the year-to-date monthly average of $922K.
Last updated: August 2026 dataFreeze-drying (lyophilization) and spray-drying equipment occupies a specialized niche across pharmaceutical manufacturing, food processing, and agricultural applications. The US tariff schedule divides this heading between agricultural-use apparatus (8419331000) and all other uses (8419335000), so a freeze-dryer destined for a pharma API plant classifies differently than one sold to a coffee or fruit processor. Lyophilizers for pharmaceutical use are capital-intensive, highly engineered systems often sourced from European and Japanese manufacturers, and their classification can intersect with FDA facility registration requirements when the equipment is integral to drug production.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
28 import shipments a month
The agricultural subheading applies to apparatus principally designed and used for drying agricultural products such as grains, herbs, or food ingredients. Equipment designed for pharmaceutical, chemical, or industrial applications — even if it could theoretically process food — is classified under 8419335000. The importer's purchase order, technical specifications, and end-use declaration are key supporting documents.
Not necessarily. A spray dryer for infant formula or other food ingredients may qualify under the agricultural subheading (8419331000), while one dedicated to pharmaceutical excipient or API production would fall under 8419335000. The intended end-use at the time of importation governs, and documentation of the buyer's production process strengthens the classification position.
Subheading 12 of 14 in heading 8419
Subheading 841933 · $1.8M of $1.2B
ImportsExports
Imports
$1.8MYoY · free account
Exports
$1.7MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $13.7M of Lyophilization Apparatus, Freeze-Drying Units, and Spray Dryers and exported $30.5M.
Through August 2026. Source: U.S. Census Bureau.
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HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Imports for consumption | Average duty rate | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 8419335000 | Lyophilization App, Fr Dry Unit, Spry Dryrs, NESOI | $1.7M | 14.73% | 100.00% | $256K |
| 8419331000 | Lyophilzatn App, Fr Dry Unit, Spry Dryrs, For Agri | $69K | 0.35% | 3.47% | $239 |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8419335000 | Lyophilization App, Fr Dry Unit, Spry Dryrs, NESOI | $1.4M |
| 8419331000 | Lyophilzatn App, Fr Dry Unit, Spry Dryrs, For Agri | $308K |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
Imports · August 2026
origin
Italy and China together supply 77% of it. China pays 37.4% duty; Canada 0.4%.
customs district
destination
entry
rate provision · imports
3.7% enters free of duty; duty collected equals 14.19% of imports for consumption.