Heading 5511: Yarn (other than sewing thread) of man-made staple fibers, put up for retail sale:

From Chapter 55: Chapter 55

HTS Codes (10-Digit)

HTS Code Description General Duty
5511100000
Yarn (other than sewing thread) of man-made staple fibers, put up for retail sale Of synthetic staple fibers, containing 85 percent or more by weight of such fibers
7.5%
5511100030
Of synthetic staple fibers, containing 85 percent or more by weight of such fibers Acrylic or modacrylic (200)
7.5%
5511100060
Of synthetic staple fibers, containing 85 percent or more by weight of such fibers Other (200)
7.5%
5511200000
Yarn (other than sewing thread) of man-made staple fibers, put up for retail sale Of synthetic staple fibers, containing less than 85 percent by weight of such fibers (200)
7.5%
5511300000
Yarn (other than sewing thread) of man-made staple fibers, put up for retail sale Of artificial staple fibers (200)
7.5%