55 | | | HS Code for Synthetic or artificial fibers, discontinued |
| 5509 | | HS Code for Yarn (other than sewing thread) of synthetic staple fibres not put up for retail sale |
| | 55091100 | Non - retail pure nylon staple fiber single yarn |
| | 55091200 | Non - retail pure nylon staple fiber multi - strand yarn |
| | 55092100 | Non-retail pure polyester staple fiber single yarn |
| | 55092200 | Non-retail polyester staple fiber multi-strand yarn or cable |
| | 55093100 | Non - retail pure polyacrylonitrile staple fiber single yarn |
| | 55093200 | Non - retail pure polyacrylonitrile staple fiber multi - strand yarn |
| | 55094100 | Non - retail pure synthetic fiber staple fiber single yarn |
| | 55094200 | Non - retail pure synthetic fiber staple fiber multi - strand yarn |
| | 55095100 | Non - retail and human fiber staple fiber blended polyester staple yarn |
| | 55095200 | Non - retail and wool blended polyester staple yarns |
| | 55095300 | Non - retail and cotton blended polyester staple yarns |
| | 55095900 | Non-retail and other blended polyester staple yarns |
| | 55096100 | Non - retail and wool blended acrylic short staple yarn |
| | 55096200 | Non - retail and cotton blended acrylic short staple yarn |
| | 55096900 | Non - retail and other blended acrylic staple yarns |
| | 55099100 | Non - retail and wool blended other synthetic fiber staple yarn |
| | 55099200 | Non - retail and cotton blended other synthetic fiber staple yarn |
| | 55099900 | Non - retail and other blended synthetic fiber staple yarn |
| 5510 | | HS Code for Yarn (other than sewing thread) of artificial staple fibres not put up for retail sale |
| | 55101100 | Non-retail other pure man-made fiber staple fiber single yarn |
| | 55101200 | Non-retail other pure human fiber staple multi-strand yarn |
| | 55102000 | Non - retail and wool blended other people staple fiber yarn |
| | 55103000 | Non - retail and cotton blended other people fiber short staple yarn |
| | 55109000 | Non-retail and other blended human fiber staple yarn |