Chapter 5510 — Customs Tariff Headings

5510.20.00Other yarn, mixed mainly or solely with wool or fine animal hair

5510.30.00Other yarn, mixed mainly or solely with cotton

5510.90.00Other yarn

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Products classified under Tariff item 55.10

Acetate Staple Fiber Single Yarn 20/1

Single yarn composed of 85% or more acetate staple fibers, yarn number 20/1, designed for industrial knitting or weaving applications. Not intended for retail sale, it's supplied in large cones for textile manufacturing.

Artificial Staple Single Yarn 10/1 Industrial

Heavy 10/1 single yarn from artificial staple for canvas, 85%+. Mill supply, not for retail sale.

Bemberg Cupro Staple Single Yarn 28/1

Luxury Bemberg cupro (cuprammonium rayon) single yarn, over 85% artificial staple, 28/1 for lingerie fabrics. Bulk mill delivery.

Lyocell Staple Fiber Single Yarn 25/1

Eco-friendly single yarn of 85%+ lyocell (Tencel) staple fibers, 25/1 yarn number, for denim and shirting production. Supplied in industrial cones, not retail.

Modal Staple Fiber Single Yarn 40/1

High-tenacity single yarn from 100% modal staple fibers (rayon variant), 40/1 count, for apparel and upholstery fabrics. Bulk packaged for mills, exceeding 85% artificial staple fiber content.

Polynosic Rayon Single Yarn 32/1

Polynosic (modal-like) rayon staple single yarn, 95% purity, 32/1 for suiting. Non-retail cones.

Rayon Staple Fiber Single Yarn 15/1 Coarse

Coarse 15/1 single yarn from 90% rayon staple fibers, ideal for industrial wiping cloths and canvas. Large hank packaging for machinery feeding, non-retail.

Viscose High-Wet-Modulus Single Yarn 35/1

Premium HWM viscose single yarn, 85%+ content, 35/1 for stretch denim and activewear. Industrial supply only.

Viscose Staple Fiber Single Yarn 30/1

A single yarn made from 100% viscose staple fibers with a yarn number of 30/1, containing 85% or more artificial staple fibers by weight. It is not put up for retail sale and is used primarily in weaving mills for fabric production.

Viscose Staple Yarn 50/1 Fine

Fine count 50/1 single viscose staple yarn (85%+), for voiles and chiffons. Industrial only.

12/6 Heavy Cabled Acrylic Yarn

A coarse cabled acrylic staple yarn, constructed from multiple plies twisted together, containing 100% artificial staple fibres. It is not put up for retail sale and is intended for industrial applications such as felts and geotextiles, meeting the tariff item's requirement for multiple (folded) or cabled yarn with 85% or more artificial staple fibres.

20/4 Cabled Acrylic Staple Yarn

A cabled acrylic staple yarn made by twisting two singles together and then cabling them, containing 100% acrylic staple fibres. It is used in upholstery and carpet manufacturing, is not put up for retail sale, and qualifies under this tariff item as cabled yarn with 85% or more artificial staple fibres.

25/4 Plied Lyocell Staple Yarn

A plied lyocell staple yarn, made from four plies of lyocell (an artificial regenerated cellulose staple fibre) twisted together for stability. It is used in denim and casual wear fabrics, is not put up for retail sale, and qualifies under this tariff item as folded yarn with 100% artificial staple fibres.

28/3 Multi-Ply Rayon Staple Yarn

A multi-ply viscose rayon staple yarn, folded from three plies for upholstery applications. It contains 100% artificial staple fibres, is not put up for retail sale, and falls under this tariff item as multiple (folded) yarn with 85% or more artificial staple fibres.

30/2 Plied Viscose Staple Fiber Yarn

A folded yarn made by plying two viscose staple fibre singles, containing 100% artificial staple fibres. It is used for apparel linings and lightweight woven fabrics, is not put up for retail sale, and qualifies under this tariff item as multiple (folded) yarn with 85% or more artificial staple fibres.

36/2 Twisted Polyester-Viscose Plied Yarn

A balanced plied yarn blending polyester and viscose staple fibres, with a total artificial staple fibre content of 90%. It is folded for suiting and shirting fabrics, is not put up for retail sale, and qualifies under this tariff item as multiple (folded) yarn with 85% or more artificial staple fibres.

40/2 Folded Polyester Staple Fiber Yarn

A multiple (folded) yarn made from 100% polyester staple fibres, with two single yarns twisted together for industrial fabric weaving or knitting. It is not put up for retail sale and falls under this tariff item as folded yarn with 85% or more artificial staple fibres.

50/2 Cabled Modal Staple Yarn

A fine cabled yarn made from modal, an artificial staple fibre derived from beech trees, containing 100% modal staple fibres. It is used in high-end lingerie and sportswear fabrics, is not put up for retail sale, and qualifies under this tariff item as cabled yarn with 85% or more artificial staple fibres.

60/2 Fine Folded Microfiber Polyester Yarn

An ultra-fine folded microfiber polyester staple yarn, plied for filtration and apparel applications. It contains 100% polyester staple fibres, is not put up for retail sale, and falls under this tariff item as multiple (folded) yarn with 85% or more artificial staple fibres.

20/2 Lambswool-Modal Blend Weaving Yarn

A heavy 20/2 plied yarn composed mainly of lambswool blended with modal artificial staple fibres, intended for upholstery weaving. It is not put up for retail sale and qualifies as yarn of artificial staple fibres mixed mainly with wool or fine animal hair under tariff item 5510.20.00.

2/10 Mohair-Rayon Staple Mix Yarn

A coarse 2/10 plied yarn composed chiefly of angora mohair blended with rayon staple fibres, used for tweed weaving. It is not put up for retail sale and falls under tariff item 5510.20.00 as yarn of artificial staple fibres mixed mainly with wool or fine animal hair.

2/28 Cashmere-Viscose Ring Spun Yarn

A plied 2/28 count ring-spun yarn made mainly of fine cashmere goat hair blended with viscose staple fibres, for luxury apparel weaving. It is not put up for retail sale and qualifies under tariff item 5510.20.00 as yarn of artificial staple fibres mixed mainly with wool or fine animal hair.

28s Wool-Viscose Open-End Spun Yarn

An open-end spun 28s yarn composed mainly of wool with viscose staple fibres, used for denim-like fabrics. It is not put up for retail sale and falls under tariff item 5510.20.00 as yarn of artificial staple fibres mixed mainly with wool or fine animal hair.

30s Single Viscose-Wool Blend Spinning Yarn

A single-ply 30s count yarn blending artificial staple viscose mainly with fine merino wool, ideal for knitting wool-blend sweaters. It is not put up for retail sale and qualifies under tariff item 5510.20.00 due to its artificial staple base mixed chiefly with wool or fine animal hair.

36s Vicuna Blend Artificial Staple Yarn

An exotic 36s single yarn made mainly of vicuna fine hair with artificial lyocell staple, used for high-end scarves. It is not put up for retail sale and falls under tariff item 5510.20.00 as yarn of artificial staple fibres mixed mainly with wool or fine animal hair.

40/2 Worsted Wool Blend Artificial Staple Yarn

A 40/2 count twisted yarn composed mainly of worsted wool with artificial staple fibres like viscose, for weaving applications. It is not put up for retail sale and falls under tariff item 5510.20.00 as yarn of artificial staple fibres mixed mainly with wool or fine animal hair.

48/2 Alpaca-Lyocell Weaving Yarn

A fine 48/2 plied alpaca-dominant yarn with lyocell artificial staple, used for baby knitwear. It is not put up for retail sale and falls under tariff item 5510.20.00 as yarn of artificial staple fibres mixed mainly with wool or fine animal hair.

50/1 Merino Wool-Acrylic Staple Yarn

A fine 50/1 single merino wool-dominant yarn blended with acrylic staple fibres, used for sweater yarn production. It is not put up for retail sale and falls under tariff item 5510.20.00 as yarn of artificial staple fibres mixed mainly with wool or fine animal hair.

60/1 Superfine Merino-Polyester Staple Yarn

An ultra-fine 60/1 yarn of superfine merino mainly with polyester staple, used for shirting. It is not put up for retail sale and falls under tariff item 5510.20.00 as yarn of artificial staple fibres mixed mainly with wool or fine animal hair.

30% Polyester 70% Cotton Carded Spun Yarn

This carded spun yarn is composed of 70% cotton and 30% polyester artificial staple fibres, with cotton predominating by weight. It is not put up for retail sale and is intended for general textile manufacturing, such as weaving or knitting. As a yarn of artificial staple fibres mixed mainly with cotton, it falls under tariff item 5510.30.00.

40% Viscose 60% Cotton Open-End Spun Yarn

This open-end spun yarn blends 60% cotton with 40% viscose artificial staple fibres, making cotton the predominant material by weight. It is supplied in bulk industrial packaging, not for retail sale, and is suitable for denim and workwear fabrics. It is classified under tariff item 5510.30.00 as other yarn of artificial staple fibres mixed mainly with cotton.

50/50 Polyester-Cotton Combed Ring Spun Yarn Ne 20

This combed ring-spun yarn is a 50/50 blend of polyester and cotton fibres, with neither fibre predominating by weight. Under section note 2(A) of Section XI, when no single textile material predominates, classification is based on the heading occurring last in numerical order; here, artificial staple fibres (Chapter 55) take precedence over cotton (Chapter 52). It is not put up for retail sale and is used for shirting fabrics, falling under tariff item 5510.30.00.

52% Cotton 48% Polyester Core-Spun Yarn

This core-spun yarn has a polyester filament core with a sheath of 52% cotton and 48% polyester staple fibres. The cotton content predominates over the polyester staple component, and the yarn is not put up for retail sale. It is used for durable workwear and falls under tariff item 5510.30.00 as other yarn of artificial staple fibres mixed mainly with cotton.

55% Cotton 45% Tencel Staple Yarn Ne 40

This fine Ne 40 yarn is composed of 55% cotton and 45% Tencel lyocell artificial staple fibres, with cotton predominating by weight. It is not put up for retail sale and is intended for lingerie and delicate fabrics. It falls under tariff item 5510.30.00 as other yarn of artificial staple fibres mixed mainly with cotton.

55% Modal 45% Cotton Compact Spun Yarn

This compact spun yarn is made of 55% modal (an artificial staple fibre) and 45% cotton, with modal predominating by weight. Under section note 2(A), the predominant fibre determines classification; here, modal (Chapter 55) takes precedence. It is not put up for retail sale and is used for premium t-shirts and socks, falling under tariff item 5510.30.00.

58% Cotton 42% Bamboo Viscose Staple Yarn

This yarn is composed of 58% cotton and 42% bamboo viscose artificial staple fibres, with cotton predominating by weight. It is not put up for retail sale and is intended for eco-friendly bedding textiles. It falls under tariff item 5510.30.00 as other yarn of artificial staple fibres mixed mainly with cotton.

60% Cotton 25% Polyester 15% Viscose Blend Yarn

This multi-fibre yarn contains 60% cotton, 25% polyester, and 15% viscose, with cotton predominating over each individual fibre. The artificial staple fibres (polyester and viscose) are combined, and since cotton is the single largest component, it is classified as mixed mainly with cotton. It is not put up for retail sale and is used for multi-purpose fabrics, falling under tariff item 5510.30.00.

62% Cotton 38% Polyester Melange Yarn

This melange yarn is composed of 62% cotton and 38% polyester artificial staple fibres, with cotton predominating by weight. It is not put up for retail sale and is used for casual wear with a heather effect. It falls under tariff item 5510.30.00 as other yarn of artificial staple fibres mixed mainly with cotton.

65/35 Polyester Cotton Rotor Spun Yarn Ne 30/1

This rotor-spun yarn is composed of 65% polyester and 35% cotton, with polyester artificial staple fibres predominating by weight. It is not put up for retail sale and is used for upholstery and sheeting. It falls under tariff item 5510.30.00 as other yarn of artificial staple fibres mixed mainly with cotton, since the artificial staple fibres are the predominant component.

67% Cotton 33% Nylon Staple Blend Yarn

This yarn is composed of 67% cotton and 33% nylon 6,6 artificial staple fibres, with cotton predominating by weight. It is not put up for retail sale and is used for performance socks and hosiery. It falls under tariff item 5510.30.00 as other yarn of artificial staple fibres mixed mainly with cotton.

70% Cotton 30% Acrylic Staple Yarn Ne 16

This Ne 16 yarn blends 70% cotton with 30% acrylic artificial staple fibres, with cotton predominating by weight. It is not put up for retail sale and is used for sweaters and blankets. It falls under tariff item 5510.30.00 as other yarn of artificial staple fibres mixed mainly with cotton.

70% Pima Cotton 30% Modal Blend Yarn

This premium yarn is composed of 70% Pima cotton and 30% modal artificial staple fibres, with cotton predominating by weight. It is not put up for retail sale and is used for upscale shirting. It falls under tariff item 5510.30.00 as other yarn of artificial staple fibres mixed mainly with cotton.

75% Cotton 25% Lyocell Staple Spun Yarn

This spun yarn is composed of 75% cotton and 25% lyocell artificial staple fibres, with cotton predominating by weight. It is not put up for retail sale and is used for eco-friendly bedding. It falls under tariff item 5510.30.00 as other yarn of artificial staple fibres mixed mainly with cotton.

80% Cotton 20% Recycled Polyester Staple Yarn

This sustainable yarn blends 80% cotton with 20% recycled polyester artificial staple fibres, with cotton predominating by weight. It is not put up for retail sale and is used for apparel. It falls under tariff item 5510.30.00 as other yarn of artificial staple fibres mixed mainly with cotton.

Acetate-Polyester Single Yarn 32s

Single yarn composed mainly of polyester staple fibers blended with cellulose acetate artificial staple fibers, with a fineness of 32s. It is not put up for retail sale and is used in the production of lining fabrics and dress materials. This yarn falls under tariff item 5510.90.00 as 'Other yarn' of artificial staple fibers, containing less than 85% by weight of polyester.

Acrylic-Polyester Single Yarn 40s

Single yarn composed mainly of acrylic staple fibers blended with polyester, with a yarn count of 40s. It is intended for industrial use and is not packaged for retail sale. This yarn is classified under tariff item 5510.90.00 as 'Other yarn' of artificial staple fibers, as it contains less than 85% by weight of polyester.

Cabled Acrylic-Cotton Blend Yarn 30/2

Cabled yarn produced by plying two 30s count singles of 60% acrylic (synthetic staple) and 40% cotton, ideal for knitting sweaters and blankets. It is not put up for retail sale. This yarn falls under tariff item 5510.90.00 as 'Other yarn' of artificial staple fibers, as it contains less than 85% by weight of polyester.

Cabled Polyester-Viscose Hosiery Yarn 36/2

Balanced two-ply cabled yarn of 36s polyester-viscose (60/40), for circular knitting machines producing socks and hosiery. It is in bulk industrial form and not put up for retail sale. This yarn is classified under tariff item 5510.90.00 as 'Other yarn' of artificial staple fibers, containing less than 85% by weight of polyester.

Cabled Viscose-Polyester Weaving Yarn 25/2

Two-fold cabled yarn blending 55% polyester and 45% viscose staple fibers in 25s count, suited for power loom weaving of shirting fabrics. It is not put up for retail sale. This yarn falls under tariff item 5510.90.00 as 'Other yarn' of artificial staple fibers, containing less than 85% by weight of polyester.

Folded Polyester-Rayon Industrial Yarn 40/3

Three-ply folded yarn from 40s count polyester-rayon staple fibers (70% polyester, 30% rayon), designed for heavy-duty weaving in workwear fabrics. It is not put up for retail sale. This yarn is classified under tariff item 5510.90.00 as 'Other yarn' of artificial staple fibers, containing less than 85% by weight of polyester.

Folded Polyester-Viscose Yarn 20s/2

Folded yarn made by twisting two strands of 20s count polyester-viscose blend (65% polyester, 35% viscose) artificial staple fibers, used primarily for weaving upholstery fabrics. It is not put up for retail sale. This yarn falls under tariff item 5510.90.00 as 'Other yarn' of artificial staple fibers, containing less than 85% by weight of polyester.

Lyocell-Polyester Single Yarn 36s

Single yarn composed mainly of lyocell artificial staple fibers blended with polyester, with a yarn count of 36s. It is an eco-friendly product used in sustainable fabric applications and is not put up for retail sale. This yarn falls under tariff item 5510.90.00 as 'Other yarn' of artificial staple fibers, containing less than 85% by weight of polyester.

Modal-Polyester Single Yarn 28s

Single yarn blending modal artificial staple fibers mainly with polyester, with a yarn count of 28s. It is used for fabric production and is not put up for retail sale. This yarn is classified under tariff item 5510.90.00 as 'Other yarn' of artificial staple fibers, as it contains less than 85% by weight of polyester.

Polyester-Artificial Blend Single Yarn 22s

Coarse single yarn predominantly composed of polyester staple fibers blended with viscose artificial staple fibers, with a yarn count of 22s. It is designed for upholstery applications and is not put up for retail sale. This yarn falls under tariff item 5510.90.00 as 'Other yarn' of artificial staple fibers, containing less than 85% by weight of polyester.

Polyester-Viscose Single Yarn 30s

Single yarn composed mainly of polyester staple fibers mixed with viscose artificial staple fibers, with an average yarn count of 30. It is not put up for retail sale and is used in general textile manufacturing. This yarn is classified under tariff item 5510.90.00 as 'Other yarn' of artificial staple fibers, containing less than 85% by weight of polyester.

Tri-Blend Artificial Single Yarn 34s

Single yarn blending viscose, modal, and polyester staple fibers, with a yarn count of 34s. It is not put up for retail sale and is used for versatile textile manufacturing. This yarn falls under tariff item 5510.90.00 as 'Other yarn' of artificial staple fibers, as it contains less than 85% by weight of polyester.

Viscose-Acrylic Single Yarn 25s

Single yarn composed mainly of viscose staple fibers blended with acrylic synthetic fibers, with a yarn count of 25s. It is used in knitwear and home textile production and is not put up for retail sale. This yarn is classified under tariff item 5510.90.00 as 'Other yarn' of artificial staple fibers, containing less than 85% by weight of polyester.

Viscose-Polyamide Single Yarn 20s

Heavy single yarn composed mainly of viscose staple fibers mixed with polyamide synthetic fibers, with a yarn count of 20. It is bulk packaged for weaving applications and is not put up for retail sale. This yarn falls under tariff item 5510.90.00 as 'Other yarn' of artificial staple fibers, containing less than 85% by weight of polyester.