# HS code 5512.91: Unbleached or bleached > HS code 5512.91 covers unbleached or bleached, other than those classified in 5512.99. It sits in heading 55.12 (woven fabrics of synthetic staple fibres, containing 85 % or more by weight of synthetic staple fibres) in chapter 55 (man-made staple fibres). Other goods of heading 55.12 are classified under 5512.11 (containing 85 % or more by weight of polyester staple fibres, unbleached or bleached), 5512.19 (containing 85 % or more by weight of polyester staple fibres, other), 5512.21 (containing 85 % or more by weight of acrylic or modacrylic staple fibres, unbleached or bleached), 5512.29 (containing 85 % or more by weight of acrylic or modacrylic staple fibres, other) or 1 other. National tariff lines under 5512.91 are live on border.bot for the United States (8 lines, also used by 1 other country). Source: https://border.bot/hs-codes/551291 Last updated: 11 October 2026 [HS codes](https://border.bot/hs-codes) / [Chapter 55](https://border.bot/hs-codes/55) / [55.12](https://border.bot/hs-codes/5512) / [5512.91](https://border.bot/hs-codes/551291) ## Key facts - HS code: 5512.91 - Covers: Unbleached or bleached - Heading: [55.12: Woven fabrics of synthetic staple fibres, containing 85 % or more by weight of synthetic staple fibres](https://border.bot/hs-codes/5512) - Chapter: [55: Man-made staple fibres](https://border.bot/hs-codes/55) - Edition: HS2022 - Duty in the United States: [See its 8 lines](https://border.bot/countries/united-states/hs-codes/551291) ## What this code covers HS code 5512.91 covers unbleached or bleached, other than those classified in 5512.99. The legal text of the subheading is “Other: Unbleached or bleached”, read under “Other”, in HS2022. ## What it doesn’t cover Other goods of heading 55.12 are classified under 5512.11 (containing 85 % or more by weight of polyester staple fibres, unbleached or bleached), 5512.19 (containing 85 % or more by weight of polyester staple fibres, other), 5512.21 (containing 85 % or more by weight of acrylic or modacrylic staple fibres, unbleached or bleached), 5512.29 (containing 85 % or more by weight of acrylic or modacrylic staple fibres, other) or 1 other. - [5512.11](https://border.bot/hs-codes/551211) Containing 85 % or more by weight of polyester staple fibres: Unbleached or bleached - [5512.19](https://border.bot/hs-codes/551219) Containing 85 % or more by weight of polyester staple fibres: Other - [5512.21](https://border.bot/hs-codes/551221) Containing 85 % or more by weight of acrylic or modacrylic staple fibres: Unbleached or bleached - [5512.29](https://border.bot/hs-codes/551229) Containing 85 % or more by weight of acrylic or modacrylic staple fibres: Other - [5512.99](https://border.bot/hs-codes/551299) Other: Other ## How it is structured 5512.91 is a six-digit subheading. Its first two digits, 55, are the chapter; the first four, 5512, are heading 55.12; the last two, 91, identify the subheading within the heading. Countries add their own digits after these six for their national tariff lines. - Chapter 55: Man-made staple fibres - Heading 55.12: Woven fabrics of synthetic staple fibres, containing 85 % or more by weight of synthetic staple fibres - Within the heading: Other - Subheading 5512.91: Unbleached or bleached ## In other countries National tariff lines under 5512.91 are live on border.bot for the United States (8 lines, also used by 1 other country). - [United States](https://border.bot/countries/united-states/hs-codes/551291): 8 lines, used by 1 other country ## Related codes The same text, “Other: Unbleached or bleached”, also divides 1 other heading in chapter 55: 5516.91 under heading 55.16. - [5516.91](https://border.bot/hs-codes/551691) Heading 55.16: Woven fabrics of artificial staple fibres - Previous subheading: [5512.29](https://border.bot/hs-codes/551229) Containing 85 % or more by weight of acrylic or modacrylic staple fibres: Other - Next subheading: [5512.99](https://border.bot/hs-codes/551299) Other: Other ## Frequently asked questions ### What does HS code 5512.91 cover? HS code 5512.91 covers unbleached or bleached, other than those classified in 5512.99. ### Which heading and chapter is HS code 5512.91 in? HS code 5512.91 is in heading 55.12 (woven fabrics of synthetic staple fibres, containing 85 % or more by weight of synthetic staple fibres) in chapter 55 (man-made staple fibres). ### Where are goods of heading 55.12 classified when 5512.91 doesn’t fit? Other goods of heading 55.12 are classified under 5512.11 (containing 85 % or more by weight of polyester staple fibres, unbleached or bleached), 5512.19 (containing 85 % or more by weight of polyester staple fibres, other), 5512.21 (containing 85 % or more by weight of acrylic or modacrylic staple fibres, unbleached or bleached), 5512.29 (containing 85 % or more by weight of acrylic or modacrylic staple fibres, other) or 1 other. ### Which countries’ tariffs list national lines under HS code 5512.91? National tariff lines under 5512.91 are live on border.bot for the United States (8 lines, also used by 1 other country). ## Sources and updates The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026. This page was last updated on 11 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. Machine-readable: https://border.bot/hs-codes/551291.json