Sub Headings of 5503
| 5503.11.00.00 | Of aramids |
| 5503.19.10.00 | Containing 10 percent or more by weight of nylon 12 |
| 5503.19.90.00 | Other |
| 5503.20.00. | Of polyesters |
| 5503.30.00.00 | Acrylic or modacrylic |
| 5503.40.00.00 | Of polypropylene |
| 5503.90.10.00 | Of vinyon |
| 5503.90.90.00 | Other |