# United States tariff line 5503.90.10.00: Of vinyon

> In the United States tariff, line 5503.90.10.00 covers synthetic staple fibers, not carded, combed or otherwise processed for spinning, of vinyon. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 5503.90 in heading 55.03 (chapter 55).

Source: https://border.bot/countries/united-states/hs-codes/5503901000
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) / [5503.90](https://border.bot/countries/united-states/hs-codes/550390) / [5503.90.10.00](https://border.bot/countries/united-states/hs-codes/5503901000)

## Key facts

- Tariff line: 5503.90.10.00
- Covers: Synthetic staple fibers, not carded, combed or otherwise processed for spinning, of vinyon
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [5503.90](https://border.bot/hs-codes/550390)

## What this line covers

In the United States tariff, line 5503.90.10.00 covers synthetic staple fibers, not carded, combed or otherwise processed for spinning, of vinyon.

Its legal text is “Of vinyon”, read under “Other”.

## How it is structured

It falls under HS subheading 5503.90 in heading 55.03 (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 55.03: Synthetic staple fibers, not carded, combed or otherwise processed for spinning
- Subheading 5503.90: Other
- Line 5503.90.10.00: Of vinyon

## Duty

Goods under this line enter free of general (MFN) duty.

## In other countries

No other national tariff on border.bot has live lines under 5503.90 yet.

- [The Harmonized System text for 5503.90](https://border.bot/hs-codes/550390)

## Other lines under 5503.90

- [5503.90.90.00](https://border.bot/countries/united-states/hs-codes/5503909000) Other

- Previous line: [5503.40.00.00](https://border.bot/countries/united-states/hs-codes/5503400000) Of polypropylene
- Next line: [5503.90.90.00](https://border.bot/countries/united-states/hs-codes/5503909000) Other

## Frequently asked questions

### What does tariff line 5503.90.10.00 cover in the United States tariff?

In the United States tariff, line 5503.90.10.00 covers synthetic staple fibers, not carded, combed or otherwise processed for spinning, of vinyon.

### What is the general (MFN) duty on 5503.90.10.00 in the United States?

Goods under this line enter free of general (MFN) duty.

## 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/5503901000.json