Si-Ro Set Polyester-Cotton Yarn for Denim
Si-Ro (siro-spun) yarn with 35% polyester staple and 65% cotton for slubby denim shirting. Under HTS 5509.92.00.00 as synthetic staple yarn mixed mainly cotton; siro technique mimics two-ply. Bulk for shuttleless loom weaving.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If siro-spun primarily cotton
High cotton siro yarns classify as cotton Chapter 52.
If containing 5% elastane
Stretch siro yarns with spandex use dedicated elastic subheadings.
If parts of denim garments
Yarn in garment accessories shifts to apparel Chapter 62.
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Import Tips & Compliance
• Describe siro spinning process to distinguish from standard ring
• Two-for-one twist effect needs technical specs
• Denim end-use common; include buyer contracts showing industrial intent
Related Products under HTS 5509.92.00.00
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This yarn is made from synthetic staple fibers mixed mainly with cotton in a 50/50 blend, spun for use in weaving fabrics like shirting. It falls under HTS 5509.92.00.00 as it is yarn of synthetic staple fibers (not sewing thread) mixed mainly or solely with cotton, not put up for retail sale. The mixture qualifies due to the predominant cotton content by weight.
Polyester-Cotton Melange Yarn 30/70
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