HS Code Subheading

Yarn; (not sewing thread), of polyester staple fibres, mixed mainly or solely with fibres n.e.c. in item no. 5509.5, not put up for retail sale

5509.59 Subheading
Section XI — Textiles and textile articles

About HS Code 550959

This specific HS code captures the trade of bulk polyester staple fiber yarns blended with other synthetic or artificial fibers not specifically mentioned in the preceding subheadings of 5509.5 (i.e., not wool, fine animal hair, or cotton). This "not elsewhere specified" category is vital for innovative textile manufacturers who develop specialized blends to achieve unique performance characteristics, such as enhanced stretch, moisture-wicking, flame resistance, or specific textures. These yarns are intermediate products, not for retail, and are integral to the production of technical textiles, sportswear, protective clothing, and advanced fashion fabrics. Importers are typically textile mills and garment manufacturers in countries like China, Vietnam, and Turkey, which have the infrastructure to process these specialized yarns. Exporters often originate from nations with advanced chemical and textile industries, such as China, Taiwan, and South Korea, where new fiber technologies are developed and scaled. Key trading considerations include the specific blend composition, the properties imparted by the "other" fibers (e.g., spandex, rayon, nylon), and the yarn's suitability for specific end-use applications. This category highlights the dynamic and evolving nature of synthetic textile innovation.

Products Under This Code

Polyester-viscose blend yarn, Polyester-nylon blend yarn, Polyester-spandex blend yarn, Polyester-modal blend yarn, Polyester-acrylic blend yarn, Polyester-lyocell blend yarn, Polyester-aramid blend yarn

Real World Examples

Invista (Coolmax/Thermolite blends), Lenzing (Tencel/Polyester blends), DuPont (Sorona/Polyester blends), Toray (various polyester blends)

Common Misclassification

Misclassification can occur with 5509.99 (other synthetic staple fiber yarns mixed with other fibers) if the primary fiber isn't clearly polyester, or with 5510.11 (artificial staple fiber yarn) if the "other" fiber is artificial and constitutes the majority.

Products Classified Under 5509.59

Polyester blend yarn

Related Codes

5509.11 Yarn; (not sewing thread), single, of synthetic staple fibres, containing 85% or more by weight of nylon or other polyamides, not put up for retail sale 5509.12 Yarn; (not sewing thread), multiple (folded) or cabled yarn, of synthetic staple fibres, containing 85% or more by weight of nylon or other polyamides, not put up for retail sale 5509.21 Yarn; (not sewing thread), single, of synthetic staple fibres, containing 85% or more by weight of polyester, not put up for retail sale 5509.22 Yarn; (not sewing thread), multiple (folded) or cabled yarn, of synthetic staple fibres, containing 85% or more by weight of polyester, not put up for retail sale 5509.31 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 5509.32 Yarn; (not sewing thread), multiple (folded) or cabled, of synthetic staple fibres, containing 85% or more by weight of acrylic or modacrylic, not put up for retail sale 5509.41 Yarn; (not sewing thread), single, containing 85% or more by weight of synthetic staple fibres, n.e.c. in heading no. 5509, not put up for retail sale 5509.42 Yarn; (not sewing thread), multiple (folded) or cabled yarn, containing 85% or more by weight of synthetic staple fibres, n.e.c. in heading no. 5509, not put up for retail sale 5509.51 Yarn; (not sewing thread), of polyester staple fibres, mixed mainly or solely with artificial staple fibres, not put up for retail sale 5509.52 Yarn; (not sewing thread), of polyester staple fibres, mixed mainly or solely with wool or fine animal hair, not put up for retail sale

Industry

This code belongs to the Textiles & Clothing industry.

Trade Overview

Top importers include China, Vietnam, and Turkey; major exporters are China, Taiwan, and South Korea.

Frequently Asked Questions

What is HS code 550959?

HS code 550959 covers: Yarn; (not sewing thread), of polyester staple fibres, mixed mainly or solely with fibres n.e.c. in item no. 5509.5, not put up for retail sale. This specific HS code captures the trade of bulk polyester staple fiber yarns blended with other synthetic or artificial fibers not specifically mentioned in the preceding subheadings of 5509.5 (i.e., not wool, fine animal hair, or cotton). This "not elsewhere specified" category is vital for innovative textile manufacturers who develop specialized blends to achieve unique performance characteristics, such as enhanced stretch, moisture-wicking, flame resistance, or specific textures. These yarns are intermediate products, not for retail, and are integral to the production of technical textiles, sportswear, protective clothing, and advanced fashion fabrics. Importers are typically textile mills and garment manufacturers in countries like China, Vietnam, and Turkey, which have the infrastructure to process these specialized yarns. Exporters often originate from nations with advanced chemical and textile industries, such as China, Taiwan, and South Korea, where new fiber technologies are developed and scaled. Key trading considerations include the specific blend composition, the properties imparted by the "other" fibers (e.g., spandex, rayon, nylon), and the yarn's suitability for specific end-use applications. This category highlights the dynamic and evolving nature of synthetic textile innovation.

What products fall under HS code 550959?

Polyester-viscose blend yarn, Polyester-nylon blend yarn, Polyester-spandex blend yarn, Polyester-modal blend yarn, Polyester-acrylic blend yarn, Polyester-lyocell blend yarn, Polyester-aramid blend yarn

What are common misclassifications for HS code 550959?

Misclassification can occur with 5509.99 (other synthetic staple fiber yarns mixed with other fibers) if the primary fiber isn't clearly polyester, or with 5510.11 (artificial staple fiber yarn) if the "other" fiber is artificial and constitutes the majority.

How is HS code 550959 structured?

HS code 550959 is a 6-digit subheading under the Harmonized System. The first 2 digits (55) identify the chapter, digits 3-4 (09) identify the heading, and digits 5-6 (59) specify the subheading. This code is standardized globally by the World Customs Organization.