HTS 5509Chapter 55· 2026_rev4

Yarn (other than sewing thread) of synthetic staple fibers, not put up for retail sale:

General (MFN)

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Special / FTA

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Column 2

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Rate shown is General (Column 1) MFN from the 2026_rev4. Additional duties may apply including the 10% Section 122 global surcharge and Section 301 duties on Chinese-origin goods. Last reviewed: 2026_rev4.

Related codes at this level

5501

Synthetic filament tow:

5502

Artificial filament tow:

5503

Synthetic staple fibers, not carded, combed or otherwise processed for spinning:

5504

Artificial staple fibers, not carded, combed or otherwise processed for spinning:

5505

Waste (including noils, yarn waste and garnetted stock) of man-made fibers:

5506

Synthetic staple fibers, carded, combed or otherwise processed for spinning:

5507.00.00.005%

Artificial staple fibers, carded, combed or otherwise processed for spinning

Frequently asked

What HTS codes fall under 5509?

Heading 5509 covers Yarn (other than sewing thread) of synthetic staple fibers, not put up for retail sale:. Subcodes further classify products by material, use, or form — see the subcodes list below.

What is the duty rate for 5509?

Duty rates are not set at the 4-digit heading level. Drill down to the 8 or 10-digit tariff line that matches your product.

Does the 10% Section 122 surcharge apply to 5509?

Yes — the Section 122 global surcharge applies in addition to the base MFN rate shown above. Use our Tariff Impact Calculator to see the total landed rate for your product.

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