Importers of HS 3801.10 (plates, rods, powder and other forms, wholly or partly manuf) from Indonesia actually paid 10% on the taxed portion of the value in 2026-06 — 10% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 3.7%. Over the window the rate on the taxed portion moved null% → 10%, with the largest single step -10pp in 2026-03. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 3.7% — importers actually paid 10%, so the trade-war overlay added 6.3 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "3801.10", origin: "Indonesia") · see it at trimtabist.com/tariffs
HS 3801.10. The schedule base rate is 3.7%; importers from Indonesia actually paid 10% on the dutiable value in 2026-06 — the trade-war overlay added 6.3 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved % (2024-08) → 10% (2026-06), largest single step -10pp in 2026-03.
Indonesia's lower duty (10% vs 35.12%) lets it price up to 22.8% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, China actually lands cheaper — $6.65/kg vs $8.61/kg (duty in, freight out).
All goods from Indonesia · the whole tariff ledger · reproduce: tariff_story(hs: "3801.10", origin: "Indonesia") via /connect. Not customs or legal advice.