Heading 5501: Synthetic filament tow:

From Chapter 55: Chapter 55

HTS Codes (10-Digit)

HTS Code Description General Duty
5501110000
Of nylon or other polyamides Of aramids
7.5%
5501190000
Of nylon or other polyamides Other
7.5%
5501200000
Synthetic filament tow Of polyesters
7.5%
5501300000
Synthetic filament tow Acrylic or modacrylic
7.5%
5501300010
Acrylic or modacrylic Containing 92 percent or more by weight of acrylonitrile units with filaments numbering fewer than 70,000 (+/-2000) with filament diameter 1.59 decitex (plus or minus 0.027) or less, or in a separable tow construction capable of being separated into tows of 70,000 (+/-2000) or fewer with filament diameter 1.59 decitex (plus or minus 0.027) or less.
7.5%
5501300090
Acrylic or modacrylic Other
7.5%
5501400000
Synthetic filament tow Of polypropylene
7.5%
5501900100
Synthetic filament tow Other
7.5%