Filament tow as specified in note 1 to chapter 55, acrylic or modacrylic
Filament tow as specified in note 1 to chapter 55, of polyesters
Synthetic filament tow as specified in note 1 to chapter 55, of polypropylene
Synthetic filament tow as specified in note 1 to chapter 55 (excl. that of acrylic, modacrylic, polyesters, polypropylene, nylon or other polyamide filament)