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HSChapter 69
U.S. imports of ceramic wares for laboratory, chemical & technical use (non-porcelain, nesoi) (HS 690919) totaled $65.5M in July 2026, traded with 42 countries.
Importers of Ceramic Wares for Laboratory, Chemical & Technical Use (Non-Porcelain, NESOI) paid $5.1M in duties in July 2026 — an effective duty rate of 12% on $41.2M in dutiable value, based on actual customs collections rather than the published tariff schedule. Ceramic Wares for Laboratory, Chemical & Technical Use (Non-Porcelain, NESOI) imports of $65.5M in July 2026 ran 15% above the year-to-date monthly average of $57.0M.
Last updated: July 2026 dataNon-porcelain ceramic wares for laboratory, chemical, and technical applications — a broad residual category that includes ferrite core memories (6909191000), ceramic bearings (6909195010), and other technical ceramic articles (6909195095) — serve diverse industrial sectors from electronics to precision machinery. Mexico leads US imports under this subheading, with Japan and Thailand also significant, reflecting the geographic spread of electronics and advanced manufacturing supply chains. Articles in this heading must be neither porcelain/china (which would classify under 6909.11) nor at Mohs ≥9 hardness (6909.12), making material composition and hardness the two threshold questions before landing in 6909.19.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
1.7K shipments/mo
Ceramic bearings classified under 6909195010 are those composed entirely or primarily of ceramic material and used in laboratory or technical applications where chemical inertness, electrical insulation, or extreme temperature resistance is the key functional requirement. Precision ball or roller bearings of steel or mixed materials — even those with ceramic rolling elements — may instead classify under Chapter 84 (heading 8482) as bearings. The essential character of the article and the material composition of its principal components determine which heading applies.
Ferrite core memories are small toroidal ceramic (ferrite) rings that were used as non-volatile magnetic storage elements in early computers and are still used in certain industrial control and aerospace systems for radiation-hardened memory. They receive a dedicated line (6909191000) because their electronic function and trade significance warranted a specific statistical breakout. Importers of modern ferrite components used in inductors or transformers should verify whether those articles classify here or under Chapter 85 as electronic components, since the end use and form factor differ from classic core memory arrays.
Subheading 1 of 4 in heading 6909
Subheading 690919 · $65.5M of $108.6M
ImportsExports
Imports
$65.5MYoY · Pro
Exports
$59.8MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Mexico and Thailand together supply 53% of it.
customs district
destination
entry
rate provision · imports
27.5% enters free of duty; the effective duty rate is 7.72%.
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 |
|---|---|---|---|---|---|
| 6909195095 | Crmc Wrs Lb/Chm/Tch Use Nt Chna/Por, NESOI | $59.9M | 7.40% | 61.35% | $4.4M |
| 6909195010 | Ceramic Bearings | $3.6M | 13.09% | 96.81% | $470K |
| 6909191000 | Ferrite Core Memories | $2.0M | 7.91% | 51.50% | $157K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 6909195000 | Ceramic Ware for Lab Chemcl or Technl Use, NESOI | $49.3M |
| 6909191000 | Ferrite Core Memories | $10.5M |
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.
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