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Tariff referenceChapter 28 › 2810.00.00.00

HTS 2810.00.00.00 — Oxides of boron; boric acids

The current US import duty for Oxides of boron; boric acids (HTS 2810.00.00.00) — the base rate, any Section 301/232/122 surcharge that applies, and what's changed recently.

Oxides of boron; boric acids

Current US duty rate

Column 1 (General / MFN)1.5%
Special (FTA programs)Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Column 2 (other)8.5%

Additional duties may apply, depending on country of origin: Section 301 (China) — List 3 — 9903.88.03 (+25%).

Alert me when this code changes (free) See all recorded changes

Programmatic access: the full duty stack (base + surcharges + MPF/HMF for a given origin & value) is at /duty?code=2810.00.00.00&origin=&value=. Current as of USITC 2026HTSRev10 (synced 2026-06-12).