Heading 5509: Yarn (other than sewing thread) of synthetic staple fibers, not put up for retail sale
Every line of heading 5509 in the U.S. Harmonized Tariff Schedule, with its general (column 1) duty rate. Open a code for the landed cost calculator, trade agreement rates and email alerts if the rate changes.
Yarn (other than sewing thread) of synthetic staple fibers, not put up for retail sale
Chapter 55: Man-made staple fibers. Schedule checked on November 8, 2026.
Not always the total: additional chapter 99 duties (such as Section 232 or Section 301), antidumping or countervailing duties may apply depending on the country of origin. See recent chapter 99 changes →
Tariff lines
| HTS code | Official description | General rate |
|---|---|---|
| 5509.11.00.00 | Single yarn (604) | 9.4% |
| 5509.12.00.00 | Multiple (folded) or cabled yarn (604) | 10.6% |
| 5509.21.00.00 | Single yarn (604) | 9.7% |
| 5509.22.00 | Multiple (folded) or cabled yarn | 10.6% |
| 5509.22.00.10 | Multiple (folded), with a final "Z" twist (200) | |
| 5509.22.00.90 | Other (604) | |
| 5509.31.00.00 | Single yarn (604) | 9% |
| 5509.32.00.00 | Multiple (folded) or cabled yarn (604) | 10% |
| 5509.41.00 | Single yarn | 9% |
| 5509.41.00.10 | Of polyvinyl alcohol (PVA) fibers (604) | |
| 5509.41.00.90 | Other (604) | |
| 5509.42.00 | Multiple (folded) or cabled yarn | 7% |
| 5509.42.00.10 | Of polyvinyl alcohol (PVA) fibers (604) | |
| 5509.42.00.90 | Other (604) | |
| 5509.51 | Mixed mainly or solely with artificial staple fibers: | |
| 5509.51.30.00 | Single yarn (607) | 9.7% |
| 5509.51.60.00 | Multiple (folded) or cabled yarn (607) | 10.6% |
| 5509.52.00.00 | Mixed mainly or solely with wool or fine animal hair (607) | 12% |
| 5509.53.00 | Mixed mainly or solely with cotton | 13.2% |
| 5509.53.00.30 | Not exceeding 52 nm (607) | |
| 5509.53.00.60 | Exceeding 52 nm (607) | |
| 5509.59.00.00 | Other (607) | 13.2% |
| 5509.61.00.00 | Mixed mainly or solely with wool or fine animal hair (607) | 13.2% |
| 5509.62.00.00 | Mixed mainly or solely with cotton (607) | 12% |
| 5509.69 | Other: | |
| 5509.69.20.00 | Single yarn (607) | 9% |
| 5509.69.40.00 | Multiple (folded) or cabled yarn (607) | 10% |
| 5509.69.60.00 | Other (607) | 13.2% |
| 5509.91.00.00 | Mixed mainly or solely with wool or fine animal hair (607) | 12% |
| 5509.92.00.00 | Mixed mainly or solely with cotton (607) | 7.5% |
| 5509.99 | Other: | |
| 5509.99.20.00 | Single yarn (607) | 9% |
| 5509.99.40.00 | Multiple (folded) or cabled yarn (607) | 10.6% |
| 5509.99.60.00 | Other (607) | 13.2% |
Exporting this product from the U.S.?
Exports are reported with Schedule B numbers. Heading 5509 has 18 of them; the first 12 are below. Schedule B lookup →
- 5509.11.0000YARN (OT THAN SEWING THREAD) OF SYNTHETIC STAPLE FIBERS NOT PUT UP FOR RETAIL SALE >=85% BY WT OF STAPLE FIBERS OF NYLON OR OTH POLYAMIDES SINGLE YRN
- 5509.12.0000YARN (NOT SEWING THREAD) SYNTHETIC STAPLE FIB NOT PUT UP FOR RETAIL SALE >=85% WEIGHT OF STAPLE FIB OF NYLON OR OTH POLYAMIDES MULTI-FLD/CABLED YARN
- 5509.21.0000YARN (OTHER THAN SEWING THREAD) OF SYNTHETIC STAPLE FIBERS, NOT PUT UP FOR RETAIL SALE CONTG >=85% BY WT OF POLYESTER STAPLE FIBERS: SINGLE YARN
- 5509.22.0000YARN (NOT SEWING THRD) SYNTHETIC STAPLE FIB N PUT UP FOR RETAIL SALE GE85% WEIGHT OF POLYESTER STAPLE FIBERS MULTIPLE (FOLDED) OR CABLED YARN
- 5509.31.0000YARN (OTHER THAN SEWING THREAD) OF SYNTHETIC STAPLE FIBERS, NOT PUT UP FOR RETAIL CONTG >=85% BY WT OF ACRYLIC OR MODACRYLIC STAPLE FIBERS SINGLE YARN
- 5509.32.0000YARN (NOT SEWING THREAD) SYNTHETIC STAPLE FIBER N/FOR RETAIL SALE >=85% WT OF ACRYLIC OR MODACRYLIC STAPLE FIBERS MULTIPLE (FOLDED) OR CABLED YARN
- 5509.41.0000YARN (NOT SEWING THRD) SYNTHETIC STAPLE FIBER NOT PUT UP FOR RETAIL SALE GE 85% BY WEIGHT OF OTHER YARNS OF SYNTHETIC STAPLE FIBERS SINGLE YARNS
- 5509.42.0000YARN (NOT SEWING THRD) SYNTHETIC STAPLE FIBER NOT PUT UP FOR RETAIL SALE GE 85% BY WGT OF OTHER YRN OF SYNTHETIC STAPLE FIBERS MULTIPLE (FLD) / CBL YR
- 5509.51.0000YARN (OTHER THAN SEWING THREAD) OF SYNTHETIC STAPLE FIBERS NOT PUT UP FOR RETAIL SALE OF POLYESTER STP FIB MIXED M/S ARTIF ST FB
- 5509.52.0000YARN (NOT SEWING THREAD) OF SYNTHETIC STAPLE FIBERS MIXED MAINLY OR SOLELY WITH WOOL OR FINE ANIMAL HAIR OT YRN OF POLYSTR STAPLE FIBER
- 5509.53.0000YARN (OTHER THAN SEWING THREAD) OF SYNTHETIC STAPLE FIBERS NOT PUT UP FOR RETAIL SALE OF POLYESTER STPLE FIBER MIXED M/S COTTON
- 5509.59.0000YARN (NOT SEWING THREAD) OF SYNTHETIC STAPLE FIBERS NOT FOR RETAIL SALE OTH YARNS OF POLYESTER STAPLE FIBERS NESOI
Source: U.S. International Trade Commission, Harmonized Tariff Schedule; Schedule B: U.S. Census Bureau. Information only, not legal or customs advice; U.S. Customs and Border Protection decides the classification and the duty. Confirm with a licensed customs broker before you ship.
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