HS code · 6-digit subheading
HS Code 7410.21 – Copper; foil, backed with paper, paperboard, plastics or similar backing material, of a thickness (excluding any backing) not exceeding 0.15mm, of refined copper
HS code 7410.21 is the 6-digit subheading for copper, foil, backed with paper, paperboard, plastics or similar backing material, of a thickness (excluding any backing) not exceeding 0.15mm, of refined copper. It is used for copper foil with PET backing, copper foil with paper backing, copper foil with polyimide backing, adhesive copper foil tape and EMI shielding copper foil.
What HS 7410.21 covers
This category encompasses refined copper foil that is laminated or backed with materials like paper, paperboard, or plastics, with the copper layer itself not exceeding 0.15mm in thickness. This backing provides structural integrity, insulation, or ease of handling, making it highly valuable in specialized manufacturing. Key importers are typically countries with robust electronics, construction, and automotive industries, where these composite materials are integrated into components. Exporters are often nations with advanced material processing capabilities and access to refined copper, such as Japan, Germany, and the United States. Understanding the type of backing material and its properties, alongside the copper's purity, is crucial for trade, as these factors determine the product's suitability for specific applications like printed circuit boards, electromagnetic shielding, or decorative finishes.
- Covers
- Copper foil with PET backing
- Copper foil with paper backing
- Copper foil with polyimide backing
- Adhesive copper foil tape
- EMI shielding copper foil
- Flexible PCB copper foil
- Decorative copper laminate
- Examples
- 3M Copper Foil Tape
- Nitto Denko Copper Foil
- Rogers Corporation RT/duroid laminates
- Panasonic Copper Clad Laminates
Codes often confused with 7410.21
Common mistake. This code is distinct from 741011 (unbacked refined copper foil) due to the presence of a backing material, and from 741022 if the copper is an alloy rather than refined copper.
Top exporters and importers of HS code 741021, 2025
In 2025, the largest exporter of HS code 741021 in UN Comtrade data was Taiwan, with about 22% of world exports; the largest importer in UN Comtrade data was China, with 42% of world imports. Countries that did not report 2025 data are estimated from partner records, which can understate them.
Top exporters 2025 · share of world exports
- 1 Taiwan* ~$810M 22% of world exports · partner records ↗
- 2 China $791M 22% of world exports
- 3 South Korea $738M 20% of world exports
World total: $3.6B Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 China $1.6B 42% of world imports
- 2 South Korea $425M 11% of world imports
- 3 Taiwan* ~$378M 10% of world imports · partner records ↗
World total: $3.7B Reported figures on UN Comtrade ↗
How these figures are built
109 countries reported 2025 trade to UN Comtrade in HS 2022, and their own totals are used. Countries marked * did not, so their figures add up what other countries recorded trading with them, and their exports are valued at buyers' CIF prices. Those estimates miss trade with other non-reporting countries, so they can be low, and a non-reporting country can rank higher than shown or be missing from the list. World totals add both and leave out trade between two non-reporting countries. UN Comtrade records Taiwan as "Other Asia, not elsewhere specified". Saudi Arabia's exports under that code are left out: they are far too large to be trade with Taiwan, so mostly undisclosed partners. Figures are in current US dollars; reported imports are mostly valued CIF and exports FOB, and exports include re-exports. The UN Comtrade links show the underlying records; they can also list a few reporters left out here (regional groups and older HS editions).
Source: UN Comtrade (United Nations Statistics Division), 2025 annual data.
Brazil NCM codes for 7410.21 4
Brazil splits HS 7410.21 into 4 NCM codes, Mercosur's 8-digit tariff lines.
- 7410.21.10 Copper foil on epoxy-glass for printed circuitsCom suporte isolante de resina epóxida e fibra de vidro, do tipo utilizado para circuitos impressos
- 7410.21.20 Copper foil on polyester or polyimide backingCom espessura superior a 0,012 mm, sobre suporte de poliéster ou poliimida e com espessura total, incluindo o suporte, inferior ou igual a 0,195 mm
- 7410.21.30 Copper foil on phenolic paper for printed circuitsCom suporte isolante de resina fenólica e papel, do tipo utilizado para circuitos impressos
- 7410.21.90 Other backed refined copper foilOutras
All Brazil NCM codes in heading 74.10 →
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text is official; the English is our translation.
Questions about HS 7410.21
What is HS code 741021?
HS code 741021 is a 6-digit subheading in the Harmonized System that covers: Copper; foil, backed with paper, paperboard, plastics or similar backing material, of a thickness (excluding any backing) not exceeding 0.15mm, of refined copper. This category encompasses refined copper foil that is laminated or backed with materials like paper, paperboard, or plastics, with the copper layer itself not exceeding 0.15mm in thickness. This backing provides structural integrity, insulation, or ease of handling, making it highly valuable in specialized manufacturing. Key importers are typically countries with robust electronics, construction, and automotive industries, where these composite materials are integrated into components. Exporters are often nations with advanced material processing capabilities and access to refined copper, such as Japan, Germany, and the United States. Understanding the type of backing material and its properties, alongside the copper's purity, is crucial for trade, as these factors determine the product's suitability for specific applications like printed circuit boards, electromagnetic shielding, or decorative finishes.
What products fall under HS code 741021?
Copper foil with PET backing, Copper foil with paper backing, Copper foil with polyimide backing, Adhesive copper foil tape, EMI shielding copper foil, Flexible PCB copper foil, Decorative copper laminate
What are common misclassifications for HS code 741021?
This code is distinct from 741011 (unbacked refined copper foil) due to the presence of a backing material, and from 741022 if the copper is an alloy rather than refined copper.
Which countries are the top exporters of goods under HS code 741021?
In 2025, the top exporters of HS code 741021 in UN Comtrade data were Taiwan (about $810M, 22% of world exports), China ($791M) and South Korea ($738M). World exports came to about $3.6B, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Which countries are the top importers of goods under HS code 741021?
In 2025, the top importers of HS code 741021 in UN Comtrade data were China ($1.6B, 42% of world imports), South Korea ($425M) and Taiwan (about $378M). World imports came to about $3.7B, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
How is HS code 741021 structured?
HS code 741021 is a 6-digit subheading under the Harmonized System. The first 2 digits (74) identify the chapter, digits 3-4 (10) identify the heading, and digits 5-6 (21) specify the subheading. This code is standardized globally by the World Customs Organization.
What is the Brazil NCM code for HS code 741021?
Brazil splits HS code 741021 into 4 NCM codes: 7410.21.10 (Copper foil on epoxy-glass for printed circuits), 7410.21.20 (Copper foil on polyester or polyimide backing), 7410.21.30 (Copper foil on phenolic paper for printed circuits), 7410.21.90 (Other backed refined copper foil). The first 6 digits of each match the HS code.