5509.51 · Mixed mainly or solely with artificial staple fibers:
This is a category heading rather than a rate line — pick one of the codes below to see its full duty stack.
Subordinate codes (2)
| Code | Description |
|---|---|
| 5509.51.30.00 | Single yarn (607) |
| 5509.51.60.00 | Multiple (folded) or cabled yarn (607) |
Frequently asked
- What does 5509.51 cover?
- Mixed mainly or solely with artificial staple fibers:. This is a heading-level category with several subordinate codes — open one to see its full duty breakdown.
- Where does this data come from?
- Codes and MFN base rates come from the full USITC HTS 2026 Rev.11 export. Section 301/232/122 surcharge mappings are approximated pending code-level review. Every rate carries a source_url and effective_from, so you can trace it back to the controlling notice.