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HTS heading 5509: Yarn (other than sewing thread) of synthetic staple fibers, not put up for retail sale

Heading 5509 of the US Harmonized Tariff Schedule covers Yarn (other than sewing thread) of synthetic staple fibers, not put up for retail sale. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.

Official USITC HTS, 2026HTSRev22 · check on hts.usitc.gov

Heading 5509 at a glance

Goods named in this heading (official line texts): Single yarn…, Multiple (folded) or cabled yarn (604), Single yarn (604), Multiple (folded) or cabled yarn, Single yarn (6…, Multiple (folded) or cabled yarn (604), Single yarn, Multiple (folded) or cabled yarn, Single yarn (607), Multiple (folded) or cabled yarn (607), Mixed mainly or solely with wool or fine animal hair (607), Mixed mainly or solely with cotton, Mixed mainly or solely with wool o.

Subheadings (6-digit)

All tariff lines in heading 5509

LineDescriptionGeneralSection 301 (China)Exclusions
5509.11.00Containing 85 percent or more by weight of staple fibers of nylon or other polya…: Single yarn…9.4%List 3 +25%
5509.12.00Multiple (folded) or cabled yarn (604)10.6%List 3 +25%
5509.21.00Containing 85 percent or more by weight of polyester staple fibers: Single yarn (604)9.7%List 3 +25%
5509.22.00Multiple (folded) or cabled yarn10.6%List 3 +25%
5509.31.00Containing 85 percent or more by weight of acrylic or modacrylic staple fibers: Single yarn (6…9%List 3 +25%
5509.32.00Multiple (folded) or cabled yarn (604)10%List 3 +25%
5509.41.00Other yarn, containing 85 percent or more by weight of synthetic staple fibers: Single yarn9%List 3 +25%
5509.42.00Multiple (folded) or cabled yarn7%List 3 +25%
5509.51.30Mixed mainly or solely with artificial staple fibers: Single yarn (607)9.7%List 3 +25%
5509.51.60Multiple (folded) or cabled yarn (607)10.6%List 3 +25%
5509.52.00Mixed mainly or solely with wool or fine animal hair (607)12%List 3 +25%
5509.53.00Mixed mainly or solely with cotton13.2%List 3 +25%
5509.59.00Other yarn, of polyester staple fibers: Other (607)13.2%List 3 +25%
5509.61.00Mixed mainly or solely with wool or fine animal hair (607)13.2%List 3 +25%
5509.62.00Mixed mainly or solely with cotton (607)12%List 3 +25%
5509.69.20Mixed mainly or solely with artificial staple fibers: Single yarn (607)9%List 3 +25%
5509.69.40Multiple (folded) or cabled yarn (607)10%List 3 +25%
5509.69.60Other: Other (607)13.2%List 3 +25%
5509.91.00Mixed mainly or solely with wool or fine animal hair (607)12%List 3 +25%
5509.92.00Mixed mainly or solely with cotton (607)7.5%List 3 +25%
5509.99.20Mixed mainly or solely with artificial staple fibers: Single yarn (607)9%List 3 +25%
5509.99.40Multiple (folded) or cabled yarn (607)10.6%List 3 +25%
5509.99.60Other: Other (607)13.2%List 3 +25%

All of chapter 55 · Chapter 55 rate summary · HTS lookup

General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.

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