# United States tariff line 5509.42.00.10: Of polyvinyl alcohol (PVA) fibers (604)

> In the United States tariff, line 5509.42.00.10 covers other yarn, containing 85 percent or more by weight of synthetic staple fibers, multiple (folded) or cabled yarn, of polyvinyl alcohol (PVA) fibers (604). The general (MFN) duty rate is 7%. It falls under HS subheading 5509.42 in heading 55.09 (chapter 55).

Source: https://border.bot/countries/united-states/hs-codes/5509420010
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 55](https://border.bot/countries/united-states/hs-codes/55) / [5509.42](https://border.bot/countries/united-states/hs-codes/550942) / [5509.42.00.10](https://border.bot/countries/united-states/hs-codes/5509420010)

## Key facts

- Tariff line: 5509.42.00.10
- Covers: Other yarn, containing 85 percent or more by weight of synthetic staple fibers, multiple (folded) or cabled yarn, of polyvinyl alcohol (PVA) fibers (604)
- Duty (MFN): 7%
- Preferential rates: From free (14 programmes or origins)
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [5509.42](https://border.bot/hs-codes/550942)

## What this line covers

In the United States tariff, line 5509.42.00.10 covers other yarn, containing 85 percent or more by weight of synthetic staple fibers, multiple (folded) or cabled yarn, of polyvinyl alcohol (PVA) fibers (604).

Its legal text is “Of polyvinyl alcohol (PVA) fibers (604)”, read under “Other yarn, containing 85 percent or more by weight of synthetic staple fibers” and “Multiple (folded) or cabled yarn”.

## How it is structured

It falls under HS subheading 5509.42 in heading 55.09 (chapter 55). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 55: Man-made staple fibres
- Heading 55.09: Yarn (other than sewing thread) of synthetic staple fibers, not put up for retail sale
- Subheading 5509.42: Other yarn, containing 85 percent or more by weight of synthetic staple fibers
- Within the subheading: Multiple (folded) or cabled yarn
- Line 5509.42.00.10: Of polyvinyl alcohol (PVA) fibers (604)

## Duty

The general (MFN) duty rate is 7%.

The rate is published on 5509.42.00.

Duty-free entry applies to goods that qualify under 14 programmes.

- 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: United States-Israel Free Trade Area (IL)
- Free: United States-Jordan Free Trade Area Implementation Act (JO)
- 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 5509.42 yet.

- [The Harmonized System text for 5509.42](https://border.bot/hs-codes/550942)

## Other lines under 5509.42

- [5509.42.00.90](https://border.bot/countries/united-states/hs-codes/5509420090) Other (604)

- Previous line: [5509.41.00.90](https://border.bot/countries/united-states/hs-codes/5509410090) Other (604)
- Next line: [5509.42.00.90](https://border.bot/countries/united-states/hs-codes/5509420090) Other (604)

## Frequently asked questions

### What does tariff line 5509.42.00.10 cover in the United States tariff?

In the United States tariff, line 5509.42.00.10 covers other yarn, containing 85 percent or more by weight of synthetic staple fibers, multiple (folded) or cabled yarn, of polyvinyl alcohol (PVA) fibers (604).

### What is the general (MFN) duty on 5509.42.00.10 in the United States?

The general (MFN) duty rate is 7%. The rate is published on 5509.42.00.

### Which preferential rates apply to 5509.42.00.10?

Duty-free entry applies to goods that qualify under 14 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, the United States-Israel Free Trade Area, the United States-Jordan Free Trade Area Implementation Act, 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.

## 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/5509420010.json