Importers of HS 3505.10 (dextrins and other modified starches) from Thailand actually paid 10.01% on the taxed portion of the value in 2026-06 — 10.01% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 0.7¢/kg. Over the window the rate on the taxed portion moved 0.47% → 10.01%, with the largest single step -9pp in 2026-03. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. Collected 10.01% against an HTS base of 0.7¢/kg. Reproduce exactly: tariff_story(hs: "3505.10", origin: "Thailand") · see it at trimtabist.com/tariffs
HS 3505.10. The schedule base rate is 0.7¢/kg; importers from Thailand actually paid 10.01% on the dutiable value in 2026-06. Measured, not modelled.
Over the window the collected rate moved 0.47% (2023-07) → 10.01% (2026-06), largest single step -9pp in 2026-03.
Thailand's lower duty (10.01% vs 17.76%) lets it price up to 7% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, Thailand actually lands cheaper — $1.08/kg vs $3.63/kg (duty in, freight out).
All goods from Thailand · the whole tariff ledger · reproduce: tariff_story(hs: "3505.10", origin: "Thailand") via /connect. Not customs or legal advice.