Flax-Cotton-Polyester Blend Poplin Fabric
A plain weave poplin fabric containing 70% flax, 20% cotton, and 10% polyester, unbleached, weighing 180 g/m² with not more than 33 warp ends per cm. Classified under HTS 5309.21.30.70 as a woven flax fabric with less than 85% flax, containing cotton and man-made fibers, subject to MMF restraints. Meets chapter 53 poplin definition excluding square construction fabrics.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If cotton content exceeds 85% by weight
Predominantly cotton fabrics with flax as minor fiber fall under Chapter 52 cotton woven fabrics, not Chapter 53 flax heading.
If man-made fiber content exceeds 85%
Woven fabrics where MMF dominates shift to Chapter 54 man-made filament heading, regardless of flax presence.
If dyed or printed rather than unbleached
Color-processed flax blends move to 'dyed' or 'printed' subheadings within the same flax chapter.
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Import Tips & Compliance
• Verify exact flax content via lab testing as <85% threshold determines heading; ensure documentation proves unbleached status to avoid bleached subheading
• Subject to MMF restraints—check quotas via OTEXA before shipping
• Label fiber composition accurately per FTC rules to prevent CBP reclassification
Related Products under HTS 5309.21.30.70
Unbleached Linen-Cotton-Viscose Sheeting Fabric
Plain weave sheeting fabric of 60% flax, 30% cotton, 10% viscose (MMF), weighing 190 g/m², square construction with >33 ends/picks per cm², unbleached. Falls under HTS 5309.21.30.70 for other unbleached flax blends containing cotton and MMF subject to restraints. Complies with chapter note (c) sheeting definition for ≤200 g/m² fabrics.
Bleached Flax-Cotton-Spandex Dress Lining Fabric
Lightweight 75% flax, 20% cotton, 5% spandex woven fabric (150 g/m²), bleached but classified as 'unbleached or bleached' per HTS, for garment linings. HTS 5309.21.30.70 covers other unbleached/bleached flax blends <85% flax with cotton/MMF under restraints. Plain weave not meeting poplin exclusions.
Flax-Cotton-Polyamide Shirting Fabric
Unbleached plain weave shirting fabric with 65% flax, 25% cotton, 10% polyamide filament, 170 g/m², not square construction. HTS 5309.21.30.70 for other flax blends containing cotton/MMF under restraints. Used for formal dress shirts.
Organic Flax-Cotton-Rayon Curtain Voile Fabric
Sheer unbleached voile fabric (65% organic flax, 25% cotton, 10% rayon), 120 g/m² plain weave for curtains, square construction >33 threads/cm². Classifies in HTS 5309.21.30.70 as other unbleached flax blend with cotton/MMF under restraints.
Flax-Cotton-Acrylic Upholstery Blend Fabric
Medium-weight unbleached plain weave (70% flax, 20% cotton, 10% acrylic), 210 g/m² for upholstery, not meeting sheeting exclusions. HTS 5309.21.30.70 for other >200 g/m² flax blends with cotton/MMF restraints.
Napped Flax-Cotton-Polyester Flannel Fabric
Unbleached napped plain weave fabric (68% flax, 22% cotton, 10% polyester), 195 g/m² per chapter note (f) definition, for jackets. HTS 5309.21.30.70 other category despite nap, as flax blend with cotton/MMF restraints.