HS 5503 — Synthetic staple fibers, not carded, combed or otherwise processed for spinning

HS heading 5503 (Synthetic staple fibers, not carded, combed or otherwise processed for spinning) spans 6 products in U.S. import records, with 11,455 bill-of-lading shipments. The most imported are Synthetic staple fibers, not carded, combed or otherwise processed for spinning of polyesters, Acrylic or modacrylic, and Synthetic staple fibers, not carded, combed or otherwise processed for spinning of polypropylene.

Part of Chapter 55: Man-made staple fibres

Sourced from U.S. Customs bill of lading data · Updated monthly · Data through August 2026Cite as: ImportDoor, U.S. Customs bill of lading data (data through August 2026), https://www.importdoor.com/products/heading/5503

Products under this heading

HS	Product	Shipments
550320	Synthetic staple fibers, not carded, combed or otherwise processed for spinning of polyesters	6,702
550330	Acrylic or modacrylic	1,788
550340	Synthetic staple fibers, not carded, combed or otherwise processed for spinning of polypropylene	1,688
550390	Synthetic staple fibers, not carded, combed or otherwise processed for spinning, other	617
550311	Synthetic staple fibers, not carded, combed or otherwise processed for spinning of aramids	489
550319	Synthetic staple fibers, not carded, combed or otherwise processed for spinning, other	171

Frequently asked questions about HS 5503

What is HS code 5503?

HS 5503 covers synthetic staple fibers, not carded. It is a 4-digit heading in chapter 55 (Man-made staple fibres) of the Harmonized System, with 6 six-digit subheadings that appear in U.S. import records.

How many U.S. import shipments fall under HS 5503?

ImportDoor has 11,455 U.S. Customs bill-of-lading shipment records under HS heading 5503, updated monthly.

What is the most imported product under HS 5503?

Synthetic staple fibers, not carded (HS 550320) leads with 6,702 shipments, followed by Acrylic or modacrylic (HS 550330) and Synthetic staple fibers, not carded (HS 550340).