Importers of HS 5402.47 (wholly of polyester, measuring not less than 75 decitex but ) from Korea, South actually paid 10.12% on the taxed portion of the value in 2026-06 — 10.12% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 8%. Over the window the rate on the taxed portion moved null% → 10.12%, with the largest single step +8pp in 2023-08. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 8% — importers actually paid 10.12%, so the trade-war overlay added 2.1 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "5402.47", origin: "Korea, South") · see it at trimtabist.com/tariffs
HS 5402.47. The schedule base rate is 8%; importers from South Korea actually paid 10.12% on the dutiable value in 2026-06 — the trade-war overlay added 2.1 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved % (2023-07) → 10.12% (2026-06), largest single step +8pp in 2023-08.
Korea, South's lower duty (10.12% vs 43%) lets it price up to 29.9% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, China actually lands cheaper — $2.19/kg vs $2.37/kg (duty in, freight out).
All goods from South Korea · the whole tariff ledger · reproduce: tariff_story(hs: "5402.47", origin: "South Korea") via /connect. Not customs or legal advice.