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HSChapter 96
U.S. imports of vacuum flasks & other vacuum vessels, complete; parts (HS 961700) totaled $162.5M in July 2026, traded with 32 countries.
Importers of Vacuum Flasks & Other Vacuum Vessels, Complete; Parts paid $26.8M in duties in July 2026 — an effective duty rate of 17% on $161.4M in dutiable value, based on actual customs collections rather than the published tariff schedule. Vacuum Flasks & Other Vacuum Vessels, Complete; Parts imports of $162.5M in July 2026 ran 19% above the year-to-date monthly average of $136.2M.
Last updated: July 2026 dataVacuum flasks and insulated vessels — commonly known as thermos bottles — are segmented in the US tariff schedule by capacity: not over 1 liter (9617001000), over 1 liter but not over 2 liters (9617003000), over 2 liters (9617004000), complete with cases (9617002000), and non-glass parts (9617006000). China is the dominant supplier, with Vietnam a growing secondary source. Goods of Chinese origin in this category are subject to Section 301 tariffs, making Vietnam and other ASEAN suppliers increasingly attractive for supply-chain diversification.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
8.4K shipments/mo
The US schedule breaks vacuum vessels into three capacity brackets — not over 1 liter, over 1 liter up to 2 liters, and over 2 liters — plus a separate line for vessels sold complete with cases and another for non-glass parts. Importers should measure the actual internal volume and confirm whether the product is sold with a carrying case, as each condition maps to a distinct tariff line.
No. The heading explicitly excludes glass inners; replacement glass liners for vacuum flasks are classified elsewhere in the schedule. Only non-glass parts fall under 9617006000 within this heading.
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Subheading 1 of 1 in heading 9617
Subheading 961700 · $162.5M of $162.5M
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 9617001000 | Vacuum Flasks & Othr Vacuum Vessels,not Over 1 Ltr | $127.7M | 16.52% | 99.10% | $21.1M |
| 9617003000 | Vacuum Flasks & Othr Vac Vessel,Ov 1 Ltr,N/O 2 Ltr | $32.1M | 16.10% | 100.11% | $5.2M |
| 9617004000 | Vacuum Flasks & Othr Vacuum Vessels,Over 2 Liters | $2.4M | 20.71% | 99.04% | $490K |
| 9617006000 | Parts of Vacuum Flasks Etc,Except Glass Inners | $449K | 17.25% | 100.00% | $77K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 9617002000 | Flask and Other Vessels, Complete With Cases | $11.9M |
| 9617006000 | Parts of Vacuum Flasks Etc,Except Glass Inners | $458K |
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.
ImportsExports
Imports
$162.5MYoY · Pro
Exports
$12.4MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
China and Thailand together supply 88% of it.
customs district
destination
entry
rate provision · imports
0.0100% enters free of duty; the effective duty rate is 16.50%.