Importers of HS 2825.90 (beryllium oxide and hydroxide) from Vietnam actually paid 5.5% on the taxed portion of the value in 2026-06 — 5.5% 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 5.5% → 5.5%, with the largest single step -5.5pp in 2024-03. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 3.7% — importers actually paid 5.5%, so the trade-war overlay added 1.8 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "2825.90", origin: "Vietnam") · see it at trimtabist.com/tariffs
HS 2825.90. The schedule base rate is 3.7%; importers from Vietnam actually paid 5.5% on the dutiable value in 2026-06 — the trade-war overlay added 1.8 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 5.5% (2023-07) → 5.5% (2026-06), largest single step -5.5pp in 2024-03.
All goods from Vietnam · the whole tariff ledger · 1 CBP ruling cite this code · reproduce: tariff_story(hs: "2825.90", origin: "Vietnam") via /connect. Not customs or legal advice.