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Import duty / Chapter 55 / Heading 5503 / HS 5503.90

Import duty on Fibres; synthetic staple fibres, of synthetic materials n.e.c. in heading no. 5503, not carded, combed or otherwise processed for spinning (HS 5503.90)

Goods classified under HS 5503.90, fibres; synthetic staple fibres, of synthetic materials n.e.c. in heading no. 5503, not carded, combed or otherwise processed for spinning, enter the United States at Free and Canada at Free under the published MFN rates (verified October 2026). This line is not USMCA-eligible, so the published rate applies whatever the origin. LoadLoom ships them door to door across the border and shows the landed cost before you book.

US FreeCanada FreeUSMCA not eligibleVerified October 2026

Duty at each border

Published rates for HS 5503.90 and a worked example on a $10,000 declared value.

EnteringPublished rateMade in CA, US or MX (USMCA)Made elsewhere, on $10,000
United StatesFree general (MFN)Not USMCA-eligible at this line; general rate appliesDuty $0.00 + merchandise processing $34.64
CanadaFree MFNNot USMCA-eligible at this line; MFN appliesDuty $0.00 + GST $500.00 (HST or QST where the province charges it)

Rates from the US Harmonized Tariff Schedule and the Canadian Customs Tariff, verified October 2026. Trade actions (surtaxes, Section 232 and 301 measures) can add to the published rate; the broker confirms at entry.

Estimate the full landed cost

Duty, taxes, merchandise processing, brokerage and bond on your declared value, with HS 5503.90 prefilled.

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Ship it across the border

Instant door-to-door price, customs documents collected in the booking checklist, price locked 30 days.

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Clearing HS 5503.90 goods with LoadLoom

  1. 1. Classify. Confirm 5503.90 fits your goods (heading 5503: synthetic staple fibres, not carded, combed or otherwise processed for spinning). The broker assigns the national digits.
  2. 2. Document. Commercial invoice with value, origin and HS code; export declaration where required.
  3. 3. Book. The quote prices the transport; the estimator above shows duty and taxes so there is no surprise at the border.
  4. 4. Cross. The carrier presents the entry at the crossing; government amounts are billed at actual on your final invoice.

This page is a free reference for shippers, not a customs ruling. Final classification and duty are determined by the licensed customs broker at entry, and government amounts are always billed at actual. Rates change with each tariff edition and trade action.

Questions about HS 5503.90

What is the import duty on HS 5503.90 into the United States?๏ผ‹

Free general rate on the declared value, plus the merchandise processing charge of $34.64 on a $10,000 entry.

What is the import duty on HS 5503.90 into Canada?๏ผ‹

Free MFN on the value for duty, then GST of 5% (or HST, or GST plus QST in Quebec) on the duty-paid value. The MFN rate applies regardless of origin for this line.

Which heading and chapter does 5503.90 belong to?๏ผ‹

Heading 5503: Synthetic staple fibres, not carded, combed or otherwise processed for spinning. Chapter 55: Man-made staple fibres. The 6-digit subheading is the international HS level; the US and Canadian tariffs add national digits that your broker assigns at entry.

Who files the customs entry when LoadLoom moves the shipment?๏ผ‹

LoadLoom's licensed customs broker prepares the entry from the commercial invoice and certificate of origin you upload in the booking checklist; the carrier presents the paperwork at the crossing. Government amounts are billed at actual.

Other lines under heading 5503: Synthetic staple fibres, not carded, combed or otherwise processed for spinning

All of heading 5503 ยท Chapter 55: Man-made staple fibres ยท Every chapter

USDOT Number: 3852466