Heading 5503: Synthetic staple fibers, not carded, combed or otherwise processed for spinning:

From Chapter 55: Chapter 55

HTS Codes (10-Digit)

HTS Code Description General Duty
5503110000
Of nylon or other polyamides Of aramids
 4.3%
5503191000
Other Containing 10 percent or more by weight of nylon 12
 Free
5503199000
Other Other
 4.3%
5503200000
Synthetic staple fibers, not carded, combed or otherwise processed for spinning Of polyesters
 4.3%
5503200015
Of polyesters Bi-component fibers having an outer copolymer sheath that melts at a lower temperature than the core, of a kind used for bonding fibers together
 4.3%
5503200025
Other Measuring less than 3.3 decitex
 4.3%
5503200045
Other Measuring 3.3 decitex or more but less than 13.2 decitex
 4.3%
5503200065
Other Measuring 13.2 decitex or more
 4.3%
5503300000
Synthetic staple fibers, not carded, combed or otherwise processed for spinning Acrylic or modacrylic
 4.3%
5503400000
Synthetic staple fibers, not carded, combed or otherwise processed for spinning Of polypropylene
 4.3%
5503901000
Other Of vinyon
 Free
5503909000
Other Other
 4.3%