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HSChapter 71
U.S. imports of piezo-electric quartz, not mounted or set (HS 710410) totaled $1.1M in April 2026, traded with 12 countries.
Importers of Piezo-Electric Quartz, Not Mounted or Set paid $185K in duties in April 2026 — an effective duty rate of 18% on $1.0M in dutiable value, based on actual customs collections rather than the published tariff schedule. Piezo-Electric Quartz, Not Mounted or Set imports of $1.1M in April 2026 ran 36% above the year-to-date monthly average of $790K.
Last updated: April 2026 dataUnmounted piezo-electric quartz crystals occupy a specialized niche in the electronics supply chain, serving as frequency-control elements in oscillators, sensors, and timing devices. The single US tariff line 7104100000 covers all such unmounted material, and imports from China and Japan dominate supply, reflecting those countries' deep integration into quartz crystal manufacturing. Importers should note that piezo-electric quartz sourced from China may be subject to Section 301 tariffs, making origin documentation and HTS classification precision especially important at entry.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Piezo-electric quartz is classified separately under heading 7104 specifically because of its functional electronic property — its ability to generate an electric charge under mechanical stress — rather than its gem or ornamental value. This distinguishes it from decorative synthetic stones and from worked quartz used in jewelry.
Yes. Piezo-electric quartz originating from China is generally subject to Section 301 tariffs in addition to the base MFN rate. Importers should verify the current Section 301 list applicability and any exclusion orders with a licensed customs broker before entry.
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Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 7104100000 | PIEZO-ELECTRIC QUARTZ NOT MOUNTED OR SET | $1.1M | 17.63% | $185K |
PIEZO-ELECTRIC QUARTZ NOT MOUNTED OR SET
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 7104100000 | PIEZO-ELECTRIC QUARTZ NOT MOUNTED OR SET | $2.7M |
PIEZO-ELECTRIC QUARTZ NOT MOUNTED OR SET
4.2K kg
GOLD, NONMONETARY, UNWROUGHT NESOI
HS 710812
SILVER, UNWROUGHT NESOI
HS 710691
JEWELRY AND PARTS THEREOF, OF OTH PRECIOUS METAL
HS 711319
OTH PREC METL ARTCLS OR ARTCLS CLAD W PM, NESOI
HS 711590
RHODIUM, UNWROUGHT OR IN POWDER FORM
HS 711031
DIAMONDS, NONINDUSTRIAL, WORKED
HS 710239
| State | Imports | Exports | Balance |
|---|---|---|---|
| New York | $89K | $1.2M | +$1.1M |
| California | $395K | $807K | +$412K |
| Pennsylvania | $123K | $218K | +$95K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| JFK INTERNATIONAL AIRPORT, NY | $57K | $1.8M | +$1.7M |
| ANCHORAGE, AK | $340K | $266K | -$74K |
| NEW ORLEANS, LA | $138K | $276K | +$138K |