# United States tariff line 7410.21.30.40: Having copper on both sides

> In the United States tariff, line 7410.21.30.40 covers backed, of refined copper, copper clad laminates, having a base wholly of plastics impregnated glass, having copper on both sides. The general (MFN) duty rate is 3%. It falls under HS subheading 7410.21 in heading 74.10 (chapter 74).

Source: https://border.bot/countries/united-states/hs-codes/7410213040
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 74](https://border.bot/countries/united-states/hs-codes/74) / [7410.21](https://border.bot/countries/united-states/hs-codes/741021) / [7410.21.30.40](https://border.bot/countries/united-states/hs-codes/7410213040)

## Key facts

- Tariff line: 7410.21.30.40
- Covers: Backed, of refined copper, copper clad laminates, having a base wholly of plastics impregnated glass, having copper on both sides
- Duty (MFN): 3%
- Preferential rates: From free (18 programmes or origins)
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [7410.21](https://border.bot/hs-codes/741021)

## What this line covers

In the United States tariff, line 7410.21.30.40 covers backed, of refined copper, copper clad laminates, having a base wholly of plastics impregnated glass, having copper on both sides.

Its legal text is “Having copper on both sides”, read under “Backed”, “Of refined copper”, “Copper clad laminates” and “Having a base wholly of plastics impregnated glass”.

## How it is structured

It falls under HS subheading 7410.21 in heading 74.10 (chapter 74). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 74: Copper and articles thereof
- Heading 74.10: Copper foil (whether or not printed or backed with paper, paperboard, plastics or similar backing materials) of a thickness (excluding any backing) not exceeding 0.15 mm
- Subheading 7410.21: Backed
- Within the subheading: Of refined copper
- Within the subheading: Copper clad laminates
- Within the subheading: Having a base wholly of plastics impregnated glass
- Line 7410.21.30.40: Having copper on both sides

## Duty

The general (MFN) duty rate is 3%.

The rate is published on 7410.21.30.

Duty-free entry applies to goods that qualify under 17 programmes, and to goods from a group of origins (origin group A).

- Free: a group of origins (origin group A) (A)
- Free: United States-Australia Free Trade Agreement (AU)
- Free: United States-Bahrain Free Trade Agreement Implementation Act (BH)
- Free: United States-Chile Free Trade Agreement (CL)
- Free: United States-Colombia Trade Promotion Agreement Implementation Act (CO)
- Free: African Growth and Opportunity Act (D)
- Free: Caribbean Basin Economic Recovery Act (E)
- Free: United States-Israel Free Trade Area (IL)
- Free: United States-Jordan Free Trade Area Implementation Act (JO)
- Free: Trade Agreement Between the United States and Japan (JP)
- Free: United States-Korea Free Trade Agreement Implementation Act (KR)
- Free: United States-Morocco Free Trade Agreement Implementation Act (MA)
- Free: United States-Oman Free Trade Agreement Implementation Act (OM)
- Free: Dominican Republic-Central America-United States Free Trade Agreement (P)
- Free: United States-Panama Trade Promotion Agreement Implementation Act (PA)
- Free: United States-Peru Trade Promotion Agreement Implementation Act (PE)
- Free: United States-Mexico-Canada Agreement (S)
- Free: United States-Singapore Free Trade Agreement (SG)

## In other countries

No other national tariff on border.bot has live lines under 7410.21 yet.

- [The Harmonized System text for 7410.21](https://border.bot/hs-codes/741021)

## Other lines under 7410.21

- [7410.21.30.20](https://border.bot/countries/united-states/hs-codes/7410213020) Having copper on one side only
- [7410.21.30.60](https://border.bot/countries/united-states/hs-codes/7410213060) Other
- [7410.21.60.00](https://border.bot/countries/united-states/hs-codes/7410216000) Other

- Previous line: [7410.21.30.20](https://border.bot/countries/united-states/hs-codes/7410213020) Having copper on one side only
- Next line: [7410.21.30.60](https://border.bot/countries/united-states/hs-codes/7410213060) Other

## Frequently asked questions

### What does tariff line 7410.21.30.40 cover in the United States tariff?

In the United States tariff, line 7410.21.30.40 covers backed, of refined copper, copper clad laminates, having a base wholly of plastics impregnated glass, having copper on both sides.

### What is the general (MFN) duty on 7410.21.30.40 in the United States?

The general (MFN) duty rate is 3%. The rate is published on 7410.21.30.

### Which preferential rates apply to 7410.21.30.40?

Duty-free entry applies to goods that qualify under 17 programmes: the United States-Australia Free Trade Agreement, the United States-Bahrain Free Trade Agreement Implementation Act, the United States-Chile Free Trade Agreement, the United States-Colombia Trade Promotion Agreement Implementation Act, African Growth and Opportunity Act, Caribbean Basin Economic Recovery Act, the United States-Israel Free Trade Area, the United States-Jordan Free Trade Area Implementation Act, Trade Agreement Between the United States and Japan, the United States-Korea Free Trade Agreement Implementation Act, the United States-Morocco Free Trade Agreement Implementation Act, the United States-Oman Free Trade Agreement Implementation Act, the Dominican Republic-Central America-United States Free Trade Agreement, the United States-Panama Trade Promotion Agreement Implementation Act, the United States-Peru Trade Promotion Agreement Implementation Act, the United States-Mexico-Canada Agreement and the United States-Singapore Free Trade Agreement, and to goods from a group of origins (origin group A).

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/7410213040.json