What is HS code 550931 used for?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
HS-6 · Subheading
Yarn; (not sewing thread), single, of synthetic staple fibres, containing 85% or more by weight of acrylic or modacrylic, not put up for retail sale
Heading 5509 — Yarn (other than sewing thread) of synthetic staple fibres, not put up for retail sale
Chapter 55: Man-made staple fibres
Use HS-6 550931 when importing or exporting yarn made from synthetic staple fibers, particularly those containing 85% or more acrylic or modacrylic. For instance, if you’re shipping a bulk order of single yarn for textile manufacturing, this code applies.
This code specifically covers yarn that is not intended for retail sale. If you are dealing with packaged yarn for consumers, you would need a different classification. Compare this with HS-6 550932, which includes similar yarn types but is specifically packaged for retail.
The 5509 heading narrows down the focus to yarns made from synthetic fibers, excluding sewing threads. This is important to note as sewing threads are classified separately, and using the wrong code could lead to customs delays.
When classifying your products, remember that this HS-6 line is for single yarns only. If your product is a multi-ply yarn or a different fiber composition, you would need to look at other subheadings under 5509.
Useful terms traders and brokers use for this HS-6 subheading.
synthetic staple fibers · acrylic yarn · modacrylic yarn · non-retail yarn · bulk yarn shipments · textile manufacturing yarn · single yarn classification · industrial yarn use · yarn for upholstery · non-packaged yarn · yarn for carpets · flame-resistant yarn · weaving yarn · insulation yarn
Drawn from the official tariff wording for this HS-6 subheading. Always confirm against your published schedule and legal notes.
Frequent classification questions with short practical guidance.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Write down material, use, and product form first, then compare nearby lines before you lock the code.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Match the product to the legal wording, then verify the final pick in your country tariff schedule before filing.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Common real-world topics that come up during code comparison.
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Compare adjacent HS lines and pick the one that matches material, function, and product form most closely.
Check the exact product specs and destination-country tariff notes before finalizing the code.
Check the exact product specs and destination-country tariff notes before finalizing the code.
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Check the exact product specs and destination-country tariff notes before finalizing the code.
For orientation only—the binding text is your national tariff and the WCO nomenclature your country uses.
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