Importers of HS 8532.24 (ceramic dielectric, multilayer) from Japan actually paid 9.8% on the taxed portion of the value in 2026-06 — 9.72% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is Free. Over the window the rate on the taxed portion moved null% → 9.8%, with the largest single step +10.3pp in 2025-04. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is Free — importers actually paid 9.8%, so the trade-war overlay added 9.8 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "8532.24", origin: "Japan") · see it at trimtabist.com/tariffs
HS 8532.24. The schedule base rate is Free; importers from Japan actually paid 9.8% on the dutiable value in 2026-06 — the trade-war overlay added 9.8 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved % (2023-07) → 9.8% (2026-06), largest single step +10.3pp in 2025-04.
Japan's lower duty (9.72% vs 34%) lets it price up to 22.1% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, China actually lands cheaper — $145.08/kg vs $238.3/kg (duty in, freight out).
14 Chapter-99 measures name Japan; scope mapping is partial (several annexes are PDFs) — absence never means exemption. They do not sum, and some are product-specific — the collected rate above is the composed truth.
All goods from Japan · the whole tariff ledger · reproduce: tariff_story(hs: "8532.24", origin: "Japan") via /connect. Not customs or legal advice.