HS code 5509.52: Other yarn, of polyester staple fibres, mixed mainly or solely with wool or fine animal hair
Last updated
Key facts
- HS code
- 5509.52
- Covers
- Other yarn, of polyester staple fibres, mixed mainly or solely with wool or fine animal hair
- Heading
- 55.09: Yarn (other than sewing thread) of synthetic staple fibres, not put up for retail sale
- Chapter
- 55: Man-made staple fibres
- Edition
- HS2022
- Duty in the United States
- See its 1 line
Summary
HS code 5509.52 covers other yarn, of polyester staple fibres, mixed mainly or solely with wool or fine animal hair. It sits in heading 55.09 (yarn (other than sewing thread) of synthetic staple fibres, not put up for retail sale) in chapter 55 (man-made staple fibres). Other goods of heading 55.09 are classified under 5509.11 (containing 85 % or more by weight of staple fibres of nylon or other polyamides, single yarn), 5509.12 (containing 85 % or more by weight of staple fibres of nylon or other polyamides, multiple (folded) or cabled yarn), 5509.21 (containing 85 % or more by weight of polyester staple fibres, single yarn), 5509.22 (containing 85 % or more by weight of polyester staple fibres, multiple (folded) or cabled yarn) or 13 others. National tariff lines under 5509.52 are live on border.bot for the United States (1 line, also used by 1 other country).
What this code covers
HS code 5509.52 covers other yarn, of polyester staple fibres, mixed mainly or solely with wool or fine animal hair.
The legal text of the subheading is “Other yarn, of polyester staple fibres: Mixed mainly or solely with wool or fine animal hair”, read under “Other yarn, of polyester staple fibres”, in HS2022.
What it doesn’t cover
Other goods of heading 55.09 are classified under 5509.11 (containing 85 % or more by weight of staple fibres of nylon or other polyamides, single yarn), 5509.12 (containing 85 % or more by weight of staple fibres of nylon or other polyamides, multiple (folded) or cabled yarn), 5509.21 (containing 85 % or more by weight of polyester staple fibres, single yarn), 5509.22 (containing 85 % or more by weight of polyester staple fibres, multiple (folded) or cabled yarn) or 13 others.
- 5509.11Containing 85 % or more by weight of staple fibres of nylon or other polyamides: Single yarn
- 5509.12Containing 85 % or more by weight of staple fibres of nylon or other polyamides: Multiple (folded) or cabled yarn
- 5509.21Containing 85 % or more by weight of polyester staple fibres: Single yarn
- 5509.22Containing 85 % or more by weight of polyester staple fibres: Multiple (folded) or cabled yarn
- 5509.31Containing 85 % or more by weight of acrylic or modacrylic staple fibres: Single yarn
- 5509.32Containing 85 % or more by weight of acrylic or modacrylic staple fibres: Multiple (folded) or cabled yarn
- 5509.41Other yarn, containing 85 % or more by weight of synthetic staple fibres: Single yarn
- 5509.42Other yarn, containing 85 % or more by weight of synthetic staple fibres: Multiple (folded) or cabled yarn
- 5509.51Other yarn, of polyester staple fibres: Mixed mainly or solely with artificial staple fibres
- 5509.53Other yarn, of polyester staple fibres: Mixed mainly or solely with cotton
- 5509.59Other yarn, of polyester staple fibres: Other
- 5509.61Other yarn, of acrylic or modacrylic staple fibres: Mixed mainly or solely with wool or fine animal hair
- 5509.62Other yarn, of acrylic or modacrylic staple fibres: Mixed mainly or solely with cotton
- 5509.69Other yarn, of acrylic or modacrylic staple fibres: Other
- 5509.91Other yarn: Mixed mainly or solely with wool or fine animal hair
- 5509.92Other yarn: Mixed mainly or solely with cotton
- 5509.99Other yarn: Other
How it is structured
5509.52 is a six-digit subheading. Its first two digits, 55, are the chapter; the first four, 5509, are heading 55.09; the last two, 52, 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
- Within the heading
- Other yarn, of polyester staple fibres
- Subheading 5509.52
- Mixed mainly or solely with wool or fine animal hair
In other countries
National tariff lines under 5509.52 are live on border.bot for the United States (1 line, also used by 1 other country).
- United States1 line, used by 1 other country
Frequently asked questions
What does HS code 5509.52 cover?
HS code 5509.52 covers other yarn, of polyester staple fibres, mixed mainly or solely with wool or fine animal hair.
Which heading and chapter is HS code 5509.52 in?
HS code 5509.52 is in heading 55.09 (yarn (other than sewing thread) of synthetic staple fibres, not put up for retail sale) in chapter 55 (man-made staple fibres).
Where are goods of heading 55.09 classified when 5509.52 doesn’t fit?
Other goods of heading 55.09 are classified under 5509.11 (containing 85 % or more by weight of staple fibres of nylon or other polyamides, single yarn), 5509.12 (containing 85 % or more by weight of staple fibres of nylon or other polyamides, multiple (folded) or cabled yarn), 5509.21 (containing 85 % or more by weight of polyester staple fibres, single yarn), 5509.22 (containing 85 % or more by weight of polyester staple fibres, multiple (folded) or cabled yarn) or 13 others.
Which countries’ tariffs list national lines under HS code 5509.52?
National tariff lines under 5509.52 are live on border.bot for the United States (1 line, 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.