Section XI — Textiles and textile articles
Chapter 55 — Manmade staple fibers
Heading 5509 — Yarn (other than sewing thread) of synthetic staple fibres, not put up for retail sale.
National subdivision 5509.4 — Other yarn, containing 85% or more by weight of synthetic staple fibres:
Subheading 5509.41 — Single yarn
HS code
5509.41.00 Single yarn
Last Verified Date - 1 October 2026
Common commodities
Single strand high-content polyethylene staple yarnPolypropylene staple yarn with minimum 85% synthetic contentHigh-density polyethylene single strand staple yarn (>85%)Synthetic staple yarn comprising of at least 85% polypropyleneSingle strand yarn made up of 85% or more of polystyreneHigh-content polyvinyl chloride single strand staple yarnSingle strand PETG staple yarn with minimum 85% synthetic contentPolypropylene single strand staple yarn with over 85% weightAcrilon single strand staple yarn containing at least 85% syntheticSingle strand yarn made of 85% or more polycarbonate staples