HTS 5403.31.00.40: US import duty from China

Artificial filament yarn (other than sewing thread), not put up for retail sale, including artificial monofilament of less than <il>67 decitex</il>, Other yarn, single, Of viscose rayon, untwisted or with a twist not ex- ceeding 120 turns/m, Multifilament, with twist of 5 turns or more per meter (606). Here is the full China to US duty stack and what it costs to land.

Duty rate & fees

ChargeRate
Base duty (MFN)10%
Section 301 (Lists 1-4)25%
Total duty (on customs value)35%
Merchandise Processing Fee (MPF)0.3464% (min $33.58, max $651.50)
Harbor Maintenance Fee (HMF), ocean0.125%

Worked example: $10,000 shipment

Customs value$10,000.00
Base duty (MFN)$1,000.00
Section 301 (Lists 1-4)$2,500.00
Merchandise Processing Fee$34.64
Harbor Maintenance Fee$12.50
Total landed cost$13,547.14

Excludes freight and insurance. Run your exact numbers in the calculator →

FAQ

What is the import duty on HTS 5403.31.00.40 from China?

Goods classified under HTS 5403.31.00.40 (Artificial filament yarn (other than sewing thread), not put up for retail sale, including artificial monofilament of less than <il>67 decitex</il>, Other yarn, single, Of viscose rayon, untwisted or with a twist not ex- ceeding 120 turns/m, Multifilament, with twist of 5 turns or more per meter (606)) have a duty of 35% 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 5403.31.00.40 cover?

Artificial filament yarn (other than sewing thread), not put up for retail sale, including artificial monofilament of less than <il>67 decitex</il>, Other yarn, single, Of viscose rayon, untwisted or with a twist not ex- ceeding 120 turns/m, Multifilament, with twist of 5 turns or more per meter (606). US Customs and Border Protection determines the final classification at entry.

How much does it cost to import HTS 5403.31.00.40 from China?

On a $10,000 shipment, the estimated total landed cost is $13,547, about 35.5% in duty and fees. Use the calculator for your exact value, quantity, and shipping mode.

Related codes in heading 5403

All of Chapter 54: Man-made filaments; strip and the like of man-made textile materials

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.