# United States tariff, chapter 55: Man-made staple fibres (page 1 of 2) > The United States tariff has 399 national lines in HS chapter 55 (man-made staple fibres), under 110 subheadings in 16 headings. Page 1 of 2. Source: https://border.bot/countries/united-states/hs-codes/55 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) Page 1 of 2: subheadings 1 to 100 of 110. Next page: [page 2](https://border.bot/countries/united-states/hs-codes/55?page=2). ## Key facts - National lines: 399 - Subheadings: 110 - Tariff: [United States](https://border.bot/countries/united-states) - Chapter: 55: Man-made staple fibres ## Subheadings with United States lines The United States tariff has 399 national lines in HS chapter 55 (man-made staple fibres), under 110 subheadings in 16 headings. ### 55.01 Synthetic filament tow - [5501.11](https://border.bot/countries/united-states/hs-codes/550111) Of nylon or other polyamides: Of aramids (1 line) - [5501.19](https://border.bot/countries/united-states/hs-codes/550119) Of nylon or other polyamides: Other (1 line) - [5501.20](https://border.bot/countries/united-states/hs-codes/550120) Of polyesters (1 line) - [5501.30](https://border.bot/countries/united-states/hs-codes/550130) Acrylic or modacrylic (2 lines) - [5501.40](https://border.bot/countries/united-states/hs-codes/550140) Of polypropylene (1 line) - [5501.90](https://border.bot/countries/united-states/hs-codes/550190) Other (1 line) ### 55.02 Artificial filament tow - [5502.10](https://border.bot/countries/united-states/hs-codes/550210) Of cellulose acetate (1 line) - [5502.90](https://border.bot/countries/united-states/hs-codes/550290) Other (1 line) ### 55.03 Synthetic staple fibers, not carded, combed or otherwise processed for spinning - [5503.11](https://border.bot/countries/united-states/hs-codes/550311) Of nylon or other polyamides: Of aramids (1 line) - [5503.19](https://border.bot/countries/united-states/hs-codes/550319) Of nylon or other polyamides: Other (2 lines) - [5503.20](https://border.bot/countries/united-states/hs-codes/550320) Of polyesters (4 lines) - [5503.30](https://border.bot/countries/united-states/hs-codes/550330) Acrylic or modacrylic (1 line) - [5503.40](https://border.bot/countries/united-states/hs-codes/550340) Of polypropylene (1 line) - [5503.90](https://border.bot/countries/united-states/hs-codes/550390) Other (2 lines) ### 55.04 Artificial staple fibers, not carded, combed or otherwise processed for spinning - [5504.10](https://border.bot/countries/united-states/hs-codes/550410) Of viscose rayon (1 line) - [5504.90](https://border.bot/countries/united-states/hs-codes/550490) Other (1 line) ### 55.05 Waste (including noils, yarn waste and garnetted stock) of man-made fibers - [5505.10](https://border.bot/countries/united-states/hs-codes/550510) Of synthetic fibres (3 lines) - [5505.20](https://border.bot/countries/united-states/hs-codes/550520) Of artificial fibres (1 line) ### 55.06 Synthetic staple fibers, carded, combed or otherwise processed for spinning - [5506.10](https://border.bot/countries/united-states/hs-codes/550610) Of nylon or other polyamides (1 line) - [5506.20](https://border.bot/countries/united-states/hs-codes/550620) Of polyesters (1 line) - [5506.30](https://border.bot/countries/united-states/hs-codes/550630) Acrylic or modacrylic (1 line) - [5506.40](https://border.bot/countries/united-states/hs-codes/550640) Of polypropylene (1 line) - [5506.90](https://border.bot/countries/united-states/hs-codes/550690) Other (1 line) ### 55.07 Artificial staple fibres, carded, combed or otherwise processed for spinning - [5507.00](https://border.bot/countries/united-states/hs-codes/550700) Artificial staple fibres, carded, combed or otherwise processed for spinning (1 line) ### 55.08 Sewing thread of man-made staple fibers, whether or not put up for retail sale - [5508.10](https://border.bot/countries/united-states/hs-codes/550810) Of synthetic staple fibres (1 line) - [5508.20](https://border.bot/countries/united-states/hs-codes/550820) Of artificial staple fibres (1 line) ### 55.09 Yarn (other than sewing thread) of synthetic staple fibers, not put up for retail sale - [5509.11](https://border.bot/countries/united-states/hs-codes/550911) Containing 85 % or more by weight of staple fibres of nylon or other polyamides: Single yarn (1 line) - [5509.12](https://border.bot/countries/united-states/hs-codes/550912) Containing 85 % or more by weight of staple fibres of nylon or other polyamides: Multiple (folded) or cabled yarn (1 line) - [5509.21](https://border.bot/countries/united-states/hs-codes/550921) Containing 85 % or more by weight of polyester staple fibres: Single yarn (1 line) - [5509.22](https://border.bot/countries/united-states/hs-codes/550922) Containing 85 % or more by weight of polyester staple fibres: Multiple (folded) or cabled yarn (2 lines) - [5509.31](https://border.bot/countries/united-states/hs-codes/550931) Containing 85 % or more by weight of acrylic or modacrylic staple fibres: Single yarn (1 line) - [5509.32](https://border.bot/countries/united-states/hs-codes/550932) Containing 85 % or more by weight of acrylic or modacrylic staple fibres: Multiple (folded) or cabled yarn (1 line) - [5509.41](https://border.bot/countries/united-states/hs-codes/550941) Other yarn, containing 85 % or more by weight of synthetic staple fibres: Single yarn (2 lines) - [5509.42](https://border.bot/countries/united-states/hs-codes/550942) Other yarn, containing 85 % or more by weight of synthetic staple fibres: Multiple (folded) or cabled yarn (2 lines) - [5509.51](https://border.bot/countries/united-states/hs-codes/550951) Other yarn, of polyester staple fibres: Mixed mainly or solely with artificial staple fibres (2 lines) - [5509.52](https://border.bot/countries/united-states/hs-codes/550952) Other yarn, of polyester staple fibres: Mixed mainly or solely with wool or fine animal hair (1 line) - [5509.53](https://border.bot/countries/united-states/hs-codes/550953) Other yarn, of polyester staple fibres: Mixed mainly or solely with cotton (2 lines) - [5509.59](https://border.bot/countries/united-states/hs-codes/550959) Other yarn, of polyester staple fibres: Other (1 line) - [5509.61](https://border.bot/countries/united-states/hs-codes/550961) Other yarn, of acrylic or modacrylic staple fibres: Mixed mainly or solely with wool or fine animal hair (1 line) - [5509.62](https://border.bot/countries/united-states/hs-codes/550962) Other yarn, of acrylic or modacrylic staple fibres: Mixed mainly or solely with cotton (1 line) - [5509.69](https://border.bot/countries/united-states/hs-codes/550969) Other yarn, of acrylic or modacrylic staple fibres: Other (3 lines) - [5509.91](https://border.bot/countries/united-states/hs-codes/550991) Other yarn: Mixed mainly or solely with wool or fine animal hair (1 line) - [5509.92](https://border.bot/countries/united-states/hs-codes/550992) Other yarn: Mixed mainly or solely with cotton (1 line) - [5509.99](https://border.bot/countries/united-states/hs-codes/550999) Other yarn: Other (3 lines) ### 55.10 Yarn (other than sewing thread) of artificial staple fibers, not put up for retail sale - [5510.11](https://border.bot/countries/united-states/hs-codes/551011) Containing 85 % or more by weight of artificial staple fibres: Single yarn (1 line) - [5510.12](https://border.bot/countries/united-states/hs-codes/551012) Containing 85 % or more by weight of artificial staple fibres: Multiple (folded) or cabled yarn (1 line) - [5510.20](https://border.bot/countries/united-states/hs-codes/551020) Other yarn, mixed mainly or solely with wool or fine animal hair (1 line) - [5510.30](https://border.bot/countries/united-states/hs-codes/551030) Other yarn, mixed mainly or solely with cotton (1 line) - [5510.90](https://border.bot/countries/united-states/hs-codes/551090) Other yarn (3 lines) ### 55.11 Yarn (other than sewing thread) of man-made staple fibers, put up for retail sale - [5511.10](https://border.bot/countries/united-states/hs-codes/551110) Of synthetic staple fibres, containing 85 % or more by weight of such fibres (2 lines) - [5511.20](https://border.bot/countries/united-states/hs-codes/551120) Of synthetic staple fibres, containing less than 85 % by weight of such fibres (1 line) - [5511.30](https://border.bot/countries/united-states/hs-codes/551130) Of artificial staple fibres (1 line) ### 55.12 Woven fabrics of synthetic staple fibers, containing 85 percent or more by weight of synthetic staple fibers - [5512.11](https://border.bot/countries/united-states/hs-codes/551211) Containing 85 % or more by weight of polyester staple fibres: Unbleached or bleached (9 lines) - [5512.19](https://border.bot/countries/united-states/hs-codes/551219) Containing 85 % or more by weight of polyester staple fibres: Other (11 lines) - [5512.21](https://border.bot/countries/united-states/hs-codes/551221) Containing 85 % or more by weight of acrylic or modacrylic staple fibres: Unbleached or bleached (8 lines) - [5512.29](https://border.bot/countries/united-states/hs-codes/551229) Containing 85 % or more by weight of acrylic or modacrylic staple fibres: Other (10 lines) - [5512.91](https://border.bot/countries/united-states/hs-codes/551291) Other: Unbleached or bleached (8 lines) - [5512.99](https://border.bot/countries/united-states/hs-codes/551299) Other: Other (10 lines) ### 55.13 Woven fabrics of synthetic staple fibers, containing less than 85 percent by weight of such fibers, mixed mainly or solely with cotton, of a weight not exceeding 170 g/m² - [5513.11](https://border.bot/countries/united-states/hs-codes/551311) Unbleached or bleached: Of polyester staple fibres, plain weave (4 lines) - [5513.12](https://border.bot/countries/united-states/hs-codes/551312) Unbleached or bleached: 3-thread or 4-thread twill, including cross twill, of polyester staple fibres (1 line) - [5513.13](https://border.bot/countries/united-states/hs-codes/551313) Unbleached or bleached: Other woven fabrics of polyester staple fibres (3 lines) - [5513.19](https://border.bot/countries/united-states/hs-codes/551319) Unbleached or bleached: Other woven fabrics (7 lines) - [5513.21](https://border.bot/countries/united-states/hs-codes/551321) Dyed: Of polyester staple fibres, plain weave (4 lines) - [5513.23](https://border.bot/countries/united-states/hs-codes/551323) Dyed: Other woven fabrics of polyester staple fibres (3 lines) - [5513.29](https://border.bot/countries/united-states/hs-codes/551329) Dyed: Other woven fabrics (7 lines) - [5513.31](https://border.bot/countries/united-states/hs-codes/551331) Of yarns of different colours: Of polyester staple fibres, plain weave (1 line) - [5513.39](https://border.bot/countries/united-states/hs-codes/551339) Of yarns of different colours: Other woven fabrics (3 lines) - [5513.41](https://border.bot/countries/united-states/hs-codes/551341) Printed: Of polyester staple fibres, plain weave (4 lines) - [5513.49](https://border.bot/countries/united-states/hs-codes/551349) Printed: Other woven fabrics (11 lines) ### 55.14 Woven fabrics of synthetic staple fibers, containing less than 85 percent by weight of such fibers, mixed mainly or solely with cotton, of a weight exceeding 170 g/m² - [5514.11](https://border.bot/countries/united-states/hs-codes/551411) Unbleached or bleached: Of polyester staple fibres, plain weave (4 lines) - [5514.12](https://border.bot/countries/united-states/hs-codes/551412) Unbleached or bleached: 3-thread or 4-thread twill, including cross twill, of polyester staple fibres (2 lines) - [5514.19](https://border.bot/countries/united-states/hs-codes/551419) Unbleached or bleached: Other woven fabrics (8 lines) - [5514.21](https://border.bot/countries/united-states/hs-codes/551421) Dyed: Of polyester staple fibres, plain weave (4 lines) - [5514.22](https://border.bot/countries/united-states/hs-codes/551422) Dyed: 3-thread or 4-thread twill, including cross twill, of polyester staple fibres (2 lines) - [5514.23](https://border.bot/countries/united-states/hs-codes/551423) Dyed: Other woven fabrics of polyester staple fibres (3 lines) - [5514.29](https://border.bot/countries/united-states/hs-codes/551429) Dyed: Other woven fabrics (5 lines) - [5514.30](https://border.bot/countries/united-states/hs-codes/551430) Of yarns of different colours (9 lines) - [5514.41](https://border.bot/countries/united-states/hs-codes/551441) Printed: Of polyester staple fibres, plain weave (4 lines) - [5514.42](https://border.bot/countries/united-states/hs-codes/551442) Printed: 3-thread or 4-thread twill, including cross twill, of polyester staple fibres (2 lines) - [5514.43](https://border.bot/countries/united-states/hs-codes/551443) Printed: Other woven fabrics of polyester staple fibres (3 lines) - [5514.49](https://border.bot/countries/united-states/hs-codes/551449) Printed: Other woven fabrics (5 lines) ### 55.15 Other woven fabrics of synthetic staple fibers - [5515.11](https://border.bot/countries/united-states/hs-codes/551511) Of polyester staple fibres: Mixed mainly or solely with viscose rayon staple fibres (10 lines) - [5515.12](https://border.bot/countries/united-states/hs-codes/551512) Of polyester staple fibres: Mixed mainly or solely with man-made filaments (6 lines) - [5515.13](https://border.bot/countries/united-states/hs-codes/551513) Of polyester staple fibres: Mixed mainly or solely with wool or fine animal hair (4 lines) - [5515.19](https://border.bot/countries/united-states/hs-codes/551519) Of polyester staple fibres: Other (10 lines) - [5515.21](https://border.bot/countries/united-states/hs-codes/551521) Of acrylic or modacrylic staple fibres: Mixed mainly or solely with man-made filaments (5 lines) - [5515.22](https://border.bot/countries/united-states/hs-codes/551522) Of acrylic or modacrylic staple fibres: Mixed mainly or solely with wool or fine animal hair (3 lines) - [5515.29](https://border.bot/countries/united-states/hs-codes/551529) Of acrylic or modacrylic staple fibres: Other (10 lines) - [5515.91](https://border.bot/countries/united-states/hs-codes/551591) Other woven fabrics: Mixed mainly or solely with man-made filaments (5 lines) - [5515.99](https://border.bot/countries/united-states/hs-codes/551599) Other woven fabrics: Other (14 lines) ### 55.16 Woven fabrics of artificial staple fibers - [5516.11](https://border.bot/countries/united-states/hs-codes/551611) Containing 85 % or more by weight of artificial staple fibres: Unbleached or bleached (3 lines) - [5516.12](https://border.bot/countries/united-states/hs-codes/551612) Containing 85 % or more by weight of artificial staple fibres: Dyed (3 lines) - [5516.13](https://border.bot/countries/united-states/hs-codes/551613) Containing 85 % or more by weight of artificial staple fibres: Of yarns of different colours (1 line) - [5516.14](https://border.bot/countries/united-states/hs-codes/551614) Containing 85 % or more by weight of artificial staple fibres: Printed (6 lines) - [5516.21](https://border.bot/countries/united-states/hs-codes/551621) Containing less than 85 % by weight of artificial staple fibres, mixed mainly or solely with man-made filaments: Unbleached or bleached (5 lines) - [5516.22](https://border.bot/countries/united-states/hs-codes/551622) Containing less than 85 % by weight of artificial staple fibres, mixed mainly or solely with man-made filaments: Dyed (5 lines) - [5516.23](https://border.bot/countries/united-states/hs-codes/551623) Containing less than 85 % by weight of artificial staple fibres, mixed mainly or solely with man-made filaments: Of yarns of different colours (5 lines) - [5516.24](https://border.bot/countries/united-states/hs-codes/551624) Containing less than 85 % by weight of artificial staple fibres, mixed mainly or solely with man-made filaments: Printed (6 lines) - [5516.31](https://border.bot/countries/united-states/hs-codes/551631) Containing less than 85 % by weight of artificial staple fibres, mixed mainly or solely with wool or fine animal hair: Unbleached or bleached (3 lines) - [5516.32](https://border.bot/countries/united-states/hs-codes/551632) Containing less than 85 % by weight of artificial staple fibres, mixed mainly or solely with wool or fine animal hair: Dyed (3 lines) ## In other countries No other national tariff on border.bot has live lines under chapter 55 yet. - [The Harmonized System text for chapter 55](https://border.bot/hs-codes/55) Page 1 of 2: subheadings 1 to 100 of 110. Next page: [page 2](https://border.bot/countries/united-states/hs-codes/55?page=2). - Previous chapter: [54](https://border.bot/countries/united-states/hs-codes/54) Woven fabrics of artificial filament yarn, including woven fabrics obtained from materials of heading 5405 - Next chapter: [56](https://border.bot/countries/united-states/hs-codes/56) Wadding of textile materials and articles thereof; textile fibers, not exceeding 5 mm in length (flock), textile dust and mill neps ## Frequently asked questions ### How many national tariff lines does the United States tariff have in HS chapter 55? The United States tariff has 399 national lines in HS chapter 55 (man-made staple fibres), under 110 subheadings in 16 headings. ## 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/55.json