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5402.34Subheading

Yarn, synthetic; filament, monofilament (less than 67 decitex), textured, of polypropylene, not for retail sale, not sewing thread

Section XI — Textiles and textile articles

This is a 6-digit subheading — the most specific level of the international HS. Country tariff schedules extend it further; the US tariff lines (HTS) below refine it to 8–10 digits for duty purposes.

US tariff lines for this subheading are not in the bundled starter dataset yet — the full HTS schedule is coming soon. You can still search by code in the tariff simulator.