Subheading 550311: Fibres; Synthetic Staple Fibres, of Aramids, not Carded, Comb … etc.
Subheading 550319: Fibres; Synthetic Staple Fibres, of Nylon or other Polyamides othe … etc.
Subheading 550320: Fibres; Synthetic Staple Fibres, of Polyesters, not Carded, Co … etc.
Subheading 550330: Fibres; Synthetic Staple Fibres, Acrylic or Modacrylic, not Carded … etc.
Subheading 550340: Fibres; Synthetic Staple Fibres, of Polypropylene, not Carded, … etc.
Subheading 550390: Fibres; Synthetic Staple Fibres, of Synthetic Materials N.E.C. … etc.