# 540231 — Synthetic filament yarn (other than sewing thread), not put up for retail sale,…: Of nylon or other polyamides, measuring per single yarn not more than 50 tex

HS code 540231 classifies Synthetic filament yarn (other than sewing thread), not put up for retail sale,…: Of nylon or other polyamides, measuring per single yarn not more than 50 tex. It belongs to Chapter 54 (Man-made filaments; strip and the like of man-made textile materials) of Section XI (Textiles and textile articles) of the Harmonized System. Duty rates are recorded for 1 country.

> Section XI · Textiles and textile articles
> Chapter 54 · Man-made filaments; strip and the like of man-made textile materials

**HS code:** `540231`

## Description

Synthetic filament yarn (other than sewing thread), not put up for retail sale, including synthetic monofilament of less than 67 decitex : Textured yarn : Of nylon or other polyamides, measuring per single yarn not more than 50 tex

## Duty rates

| Country | Rate | Programme |
| --- | --- | --- |
| US United States | 8%–8.8% | MFN |

Rates effective as of 2026-01-01.

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Source: https://hscode.eximagent.ai/54/540231
Last updated: 2026-06-03
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