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HSChapter 74
U.S. imports of unbacked refined copper foil (not over 0.15 mm thick) (HS 741011) totaled $34.5M in April 2026, traded with 22 countries.
Importers of Unbacked Refined Copper Foil (Not Over 0.15 mm Thick) paid $15.3M in duties in April 2026 — an effective duty rate of 45% on $34.2M in dutiable value, based on actual customs collections rather than the published tariff schedule. Unbacked Refined Copper Foil (Not Over 0.15 mm Thick) imports of $34.5M in April 2026 ran 10% above the year-to-date monthly average of $31.3M.
Last updated: April 2026 dataRefined copper foil in its unbacked form — no substrate laminated to the copper layer — is a critical input for printed circuit board (PCB) manufacturing, lithium-ion battery current collectors, and electromagnetic shielding applications. The entire heading resolves to a single 10-digit line, 7410110000, making classification straightforward, though Section 232 tariff exposure on copper articles is a factor importers must evaluate. South Korea dominates US supply, with Malaysia and Taiwan also significant sources, reflecting the concentration of advanced electronics manufacturing in East Asia.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Unbacked foil consists solely of the copper layer with no bonded substrate material. Once the foil is laminated to a dielectric, paper, plastic, or other backing material, it shifts to the backed foil headings (7410.21 or 7410.22). The distinction is critical at entry because the two groups carry different tariff lines and, in some cases, different duty treatment.
The heading covers foil not exceeding 0.15 mm (150 microns) in thickness. Standard PCB-grade electrodeposited copper foil typically runs 9–70 microns, well within this limit. Rolled-annealed foil used in flexible circuits also falls comfortably below the threshold, so thickness is rarely a classification issue for electronics-grade material.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| KOREA, SOUTH | $12.7M | $188K | -$12.5M |
| MALAYSIA | $11.5M | -- | -$11.5M |
| JAPAN | $3.6M | $3K | -$3.6M |
| NETHERLANDS | $1.8M | -- | -$1.8M |
| GERMANY | $1.5M | $234K | -$1.3M |
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 |
|---|---|---|---|---|
| 7410110000 | COPPER FOIL, NOT BACKED, OF REFINED COPPER | $34.5M | 44.64% | $15.3M |
COPPER FOIL, NOT BACKED, OF REFINED COPPER
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 7410110000 | COPPER FOIL, NOT BACKED, OF REFINED COPPER | $4.7M |
COPPER FOIL, NOT BACKED, OF REFINED COPPER
187.8K kg
REFINED COPPER CATHODES AND SECTIONS OF CATHODES
HS 740311
COPPER WASTE AND SCRAP
HS 740400
TUBES & PIPES OF REFINED COPPER
HS 741110
COPPER ALLOY TUBE OR PIPE FITTINGS
HS 741220
BARS, RODS AND PROFILES OF REFINED COPPER
HS 740710
PLATES SHEETS STRIP OF BRASS OV.15MM THCK NT COILS
HS 740929
| State | Imports | Exports | Balance |
|---|---|---|---|
| Michigan | $7.5M | $6K | -$7.5M |
| Nevada | $6.6M | -- | -$6.6M |
| California | $5.4M | $693K | -$4.7M |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| LOS ANGELES, CA | $25.7M | $521K | -$25.2M |
| SAVANNAH, GA | $2.3M | $578K | -$1.7M |
| CHICAGO, IL | $1.1M | $62K | -$999K |