Section XI — Textiles and textile articles
Chapter 50 — Silk
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5004 Silk yarn (other than yarn spun from silk waste) not put up for retail sale.
Common commodities
Mulberry Filament Silk Warping YarnTussah Filament Silk Weaving ThreadIndustrial Organzine Silk TramHard Twisted Filament Silk YarnGrenadine Filament Silk FabricSingle Filament Silk Knitting ThreadCabled Mulberry Silk YarnFolded Tussah Silk CrepeBulk Grevette Silk FibersMultiple Filament Poil Silk Yarn