Importers of HS 3923.30 (carboys, bottles, flasks and similar articles) from Korea, South actually paid 10.28% on the taxed portion of the value in 2026-06 — 10.28% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 3%. Over the window the rate on the taxed portion moved 3% → 10.28%, with the largest single step +6pp in 2025-04. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 3% — importers actually paid 10.28%, so the trade-war overlay added 7.3 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "3923.30", origin: "Korea, South") · see it at trimtabist.com/tariffs
HS 3923.30. The schedule base rate is 3%; importers from South Korea actually paid 10.28% on the dutiable value in 2026-06 — the trade-war overlay added 7.3 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 3% (2023-07) → 10.28% (2026-06), largest single step +6pp in 2025-04.
Korea, South's lower duty (10.28% vs 37.53%) lets it price up to 24.7% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, China actually lands cheaper — $7/kg vs $15.02/kg (duty in, freight out).
All goods from South Korea · the whole tariff ledger · 1 CBP ruling cite this code · reproduce: tariff_story(hs: "3923.30", origin: "South Korea") via /connect. Not customs or legal advice.