# United States tariff lines under HS 5509.53

> The United States tariff splits HS 5509.53 (other yarn, of polyester staple fibres: Mixed mainly or solely with cotton) into 2 national lines: 5509.53.00.30 (not exceeding 52 nm (607)) and 5509.53.00.60 (exceeding 52 nm (607)). The general (MFN) duty is 13.2% on all 2 lines.

Source: https://border.bot/countries/united-states/hs-codes/550953
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) / [5509.53](https://border.bot/countries/united-states/hs-codes/550953)

## Key facts

- HS subheading: [5509.53](https://border.bot/hs-codes/550953)
- Duty (MFN): 13.2%
- National lines: 2
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 55: Man-made staple fibres

## United States lines under 5509.53

The United States tariff splits HS 5509.53 (other yarn, of polyester staple fibres: Mixed mainly or solely with cotton) into 2 national lines: 5509.53.00.30 (not exceeding 52 nm (607)) and 5509.53.00.60 (exceeding 52 nm (607)).

The general (MFN) duty is 13.2% on all 2 lines.

- [5509.53.00.30](https://border.bot/countries/united-states/hs-codes/5509530030) Other yarn, of polyester staple fibers, Mixed mainly or solely with cotton, Not exceeding 52 nm (607). Duty (MFN): 13.2%
- [5509.53.00.60](https://border.bot/countries/united-states/hs-codes/5509530060) Other yarn, of polyester staple fibers, Mixed mainly or solely with cotton, Exceeding 52 nm (607). Duty (MFN): 13.2%

## In other countries

No other national tariff on border.bot has live lines under 5509.53 yet.

- [The Harmonized System text for 5509.53](https://border.bot/hs-codes/550953)

- Previous subheading: [5509.52](https://border.bot/countries/united-states/hs-codes/550952) Yarn (other than sewing thread) of synthetic staple fibers, not put up for retail sale
- Next subheading: [5509.59](https://border.bot/countries/united-states/hs-codes/550959) Yarn (other than sewing thread) of synthetic staple fibers, not put up for retail sale

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 5509.53?

The United States tariff splits HS 5509.53 (other yarn, of polyester staple fibres: Mixed mainly or solely with cotton) into 2 national lines: 5509.53.00.30 (not exceeding 52 nm (607)) and 5509.53.00.60 (exceeding 52 nm (607)).

### What is the duty on HS 5509.53 in the United States?

The general (MFN) duty is 13.2% on all 2 lines.

## 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/550953.json