Product Classification Guide

HS Code for Polyamide staple fiber

5503.19 Fibres; synthetic staple fibres, of nylon or other polyamides other than aramids, not carded, combed or otherwise processed for spinning
Textiles & Clothing
View full HS code details

Polyamide staple fiber is classified under HS code 5503.19. This heading covers synthetic staple fibers that have not been carded, combed, or otherwise processed for spinning. These are discontinuous fibers, typically produced by extruding filaments and then cutting them to specific lengths (staple length). The subheading 5503.19 specifically excludes aramids (which are classified under 5503.11) and focuses on other polyamides such as Nylon 6 or Nylon 6,6. The classification is determined by the chemical composition of the polymer and the physical state of the fiber. Because these fibers are in their raw, unprocessed state, they are considered primary materials for the textile industry, intended to be spun into yarn, used in non-woven applications, or mixed with other fibers. The absence of carding or combing is a strict requirement; once the fiber undergoes these mechanical processes to align them for spinning, they move to a different heading within Chapter 55.

Products Included

  • Nylon 6 staple fibers, unprocessed
  • Nylon 6,6 staple fibers, not carded or combed
  • Discontinuous polyamide fibers for non-woven use
  • Raw synthetic polyamide fibers for yarn spinning

Common Misclassification

The most common misclassification is with HS code 5503.11, which is exclusively for aramid fibers (a specific type of high-performance polyamide). Another error is classifying these under 5506.10, which is for polyamide staple fibers that *have* been carded, combed, or otherwise processed for spinning. Additionally, if the material is in the form of continuous filaments rather than cut staple fibers, it must be classified under 5402. Confusion can also occur with waste fibers, which are classified under 5505.

FAQ

What is the HS code for Polyamide staple fiber?

The HS code for synthetic staple fibers of nylon or other polyamides (excluding aramids), not carded, combed, or otherwise processed for spinning, is 5503.19.

Why are aramids classified differently from other polyamides?

Aramids (aromatic polyamides) have distinct chemical structures and high-heat resistance properties that warrant a specific subheading (5503.11) separate from standard aliphatic polyamides like Nylon 6.

Industry

View all codes

Frequently Asked Questions

What is the HS code for Polyamide staple fiber?

The HS code for Polyamide staple fiber is 550319 (Fibres; synthetic staple fibres, of nylon or other polyamides other than aramids, not carded, combed or otherwise processed for spinning).

How do I classify Polyamide staple fiber for customs?

Polyamide staple fiber is classified under HS code 550319 — Fibres; synthetic staple fibres, of nylon or other polyamides other than aramids, not carded, combed or otherwise processed for spinning. This is a 6-digit subheading level code.

Is the HS code for Polyamide staple fiber the same in all countries?

The base HS code 550319 for Polyamide staple fiber is internationally standardized for the first 6 digits across 200+ countries. Individual countries may add additional digits for national tariff lines and specific classifications.