HTS 5503.11.00.00: US import duty from China
Synthetic staple fibers, not carded, combed or otherwise processed for spinning, Of nylon or other polyamides, Of aramids. Here is the full China to US duty stack and what it costs to land.
Duty rate & fees
| Charge | Rate |
|---|---|
| Base duty (MFN) | 4.3% |
| Section 301 (Lists 1-4) | 25% |
| Total duty (on customs value) | 29.3% |
| Merchandise Processing Fee (MPF) | 0.3464% (min $33.58, max $651.50) |
| Harbor Maintenance Fee (HMF), ocean | 0.125% |
Worked example: $10,000 shipment
| Customs value | $10,000.00 |
| Base duty (MFN) | $430.00 |
| Section 301 (Lists 1-4) | $2,500.00 |
| Merchandise Processing Fee | $34.64 |
| Harbor Maintenance Fee | $12.50 |
| Total landed cost | $12,977.14 |
Excludes freight and insurance. Run your exact numbers in the calculator →
FAQ
What is the import duty on HTS 5503.11.00.00 from China?
Goods classified under HTS 5503.11.00.00 (Synthetic staple fibers, not carded, combed or otherwise processed for spinning, Of nylon or other polyamides, Of aramids) have a duty of 29.3% of the customs value on the China to US lane (base rate plus any Section 301 tariff), plus the Merchandise Processing Fee (0.3464%, min $33.58, max $651.50) and, for ocean shipments, the Harbor Maintenance Fee (0.125%).
What does HTS code 5503.11.00.00 cover?
Synthetic staple fibers, not carded, combed or otherwise processed for spinning, Of nylon or other polyamides, Of aramids. US Customs and Border Protection determines the final classification at entry.
How much does it cost to import HTS 5503.11.00.00 from China?
On a $10,000 shipment, the estimated total landed cost is $12,977, about 29.8% in duty and fees. Use the calculator for your exact value, quantity, and shipping mode.
Related codes in heading 5503
- 5503.19.10.00Synthetic staple fibers, not carded, combed or otherwise processed for spinning, Of nylon or other polyamides, Other, Containing 10 percent or more by weight of nylon 12
- 5503.19.90.00Synthetic staple fibers, not carded, combed or otherwise processed for spinning, Of nylon or other polyamides, Other, Other
- 5503.20.00.15Synthetic staple fibers, not carded, combed or otherwise processed for spinning, Of polyesters, Bi-component fibers having an outer copolymer sheath that melts at a lower temperature than the core, of a kind used for bonding fibers together
- 5503.20.00.25Synthetic staple fibers, not carded, combed or otherwise processed for spinning, Of polyesters, Other, Measuring less than 3.3 decitex
- 5503.20.00.45Synthetic staple fibers, not carded, combed or otherwise processed for spinning, Of polyesters, Other, Measuring 3.3 decitex or more but less than <il>13.2 decitex</il>
- 5503.20.00.65Synthetic staple fibers, not carded, combed or otherwise processed for spinning, Of polyesters, Other, Measuring <il>13.2 decitex</il> or more
- 5503.30.00.00Synthetic staple fibers, not carded, combed or otherwise processed for spinning, Acrylic or modacrylic
- 5503.40.00.00Synthetic staple fibers, not carded, combed or otherwise processed for spinning, Of polypropylene
Estimates for planning only. Final classification and duty are determined by U.S. Customs and Border Protection at entry. Rates from USITC HTSUS 2026-06-15-cn-us. The IEEPA reciprocal tariff was struck down (SCOTUS, 2026-02-20) and is excluded. Not legal or customs-broker advice.