Importers of HS 5902.20 (of polyesters (229)) from Vietnam actually paid 15.8% on the taxed portion of the value in 2026-06 — 15.8% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 5.8%. Over the window the rate on the taxed portion moved 5.8% → 15.8%, with the largest single step +6.2pp in 2025-06. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 5.8% — importers actually paid 15.8%, so the trade-war overlay added 10 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "5902.20", origin: "Vietnam") · see it at trimtabist.com/tariffs
HS 5902.20. The schedule base rate is 5.8%; importers from Vietnam actually paid 15.8% on the dutiable value in 2026-06 — the trade-war overlay added 10 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 5.8% (2023-07) → 15.8% (2026-06), largest single step +6.2pp in 2025-06.
Vietnam's lower duty (15.8% vs 40.8%) lets it price up to 21.6% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, Vietnam actually lands cheaper — $2.7/kg vs $3.84/kg (duty in, freight out).
All goods from Vietnam · the whole tariff ledger · reproduce: tariff_story(hs: "5902.20", origin: "Vietnam") via /connect. Not customs or legal advice.