Untwisted Polyester 40 Denier Yarn
A single, untwisted polyester filament yarn with a fineness of 40 denier (less than 67 decitex), designed for industrial textile weaving applications. It falls under HTS 5402.47.90 as synthetic polyester yarn, single, with twist not exceeding 50 turns per meter, and not specifically covered by other subheadings. This yarn is sold in bulk cones for manufacturers, not for retail sale.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If twist exceeds 50 turns per meter
Higher twist polyester yarn (over 50 turns/m) classifies under 5402.33 as twisted yarn, separate from low-twist single yarns.
If in staple fiber form rather than continuous filament
Polyester in staple or tow form (not continuous filament) falls under Chapter 55, heading 5503, excluding continuous filament yarn.
If made of acrylic or modacrylic polymers instead of polyester
Same low-twist single specs but different polymer type (e.g., acrylic) move to 5402.59, as headings specify by fiber type.
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Import Tips & Compliance
• Verify yarn fineness in decitex (under 67 dtex) and twist (≤50 turns/m) via lab testing to confirm 5402.47.90 classification and avoid misclassification penalties
• Provide manufacturer's denier/dtex specs and twist count certificates; declare as 'not put up for retail sale' to prevent reclassification to Chapter 55
• Watch for contamination with natural fibers exceeding 5%, which could shift to blended yarn headings; ensure polyester purity documentation
Related Products under HTS 5402.47.90
Polyester 30/1 Low-Twist Weaving Yarn
Single untwisted polyester yarn denoted as 30/1 (30 denier, single strand), ideal for high-speed shuttleless looms in fabric production. HTS 5402.47.90 applies to this 'other' category of low-twist (<50 turns/m) polyester filament yarn under 67 decitex, not for retail. Supplied in bulk for textile mills.
Polyester 60 Denier Low-Twist Cone Yarn
60 denier polyester single yarn on large cones, twisted at 45 turns/m max, for knitting and weaving industrial fabrics. HTS 5402.47.90 covers this other low-twist polyester filament under 67 dtex (60 denier ≈64 dtex), not retail packaged. Standard for upholstery and technical textiles.
Low-Twist DTY Polyester Alternative Yarn
Near-DTY 40 denier polyester single yarn with 48 turns/m twist limit, for budget synthetic sheeting. Fits 'other' HTS 5402.47.90 as low-twist polyester filament <67 dtex, bulk industrial. Avoids textured classification per minimal processing.
Industrial 35 Denier Polyester Yarn
35 denier untwisted polyester single filament yarn for filter media and geotextiles. HTS 5402.47.90 applies to this other low-twist (<50 t/m) polyester yarn <67 dtex, not retail. High-volume bulk for technical applications.
Low-Twist 50 Denier Polyester Industrial Yarn
Single polyester filament yarn of 50 denier, twisted at 40 turns per meter, used in weaving lightweight synthetic fabrics for apparel linings. Classified in HTS 5402.47.90 for other single, low-twist polyester yarns not put up for retail, excluding finer or specialty types. Bulk packaged on large cones for factory use.
45 Denier Single Polyester Filament Yarn
A 45 denier single polyester filament yarn with minimal twist (20 turns/m), used in production of sheer curtains and lightweight synthetics. Fits HTS 5402.47.90 as other polyester single yarns, untwisted or low-twist, below 67 decitex, bulk not retail. Common in home textile manufacturing.