Heading 5510: Yarn (other than sewing thread) of artificial staple fibers, not put up for retail sale:

From Chapter 55: Chapter 55

HTS Codes (10-Digit)

HTS Code Description General Duty
5510110000
Containing 85 percent or more by weight of artificial staple fibers Single yarn (603)
9%
5510120000
Containing 85 percent or more by weight of artificial staple fibers Multiple (folded) or cabled yarn (603)
10.6%
5510200000
Yarn (other than sewing thread) of artificial staple fibers, not put up for retail sale Other yarn, mixed mainly or solely with wool or fine animal hair (607)
10.2%
5510300000
Yarn (other than sewing thread) of artificial staple fibers, not put up for retail sale Other yarn, mixed mainly or solely with cotton (607)
7.5%
5510902000
Mixed mainly or solely with synthetic staple fibers Single yarn (607)
9%
5510904000
Mixed mainly or solely with synthetic staple fibers Multiple (folded) or cabled yarn (607)
10.6%
5510906000
Other yarn Other (607)
13.2%