foomworks.

Tariff referenceChapter 69 › 6903.90.00

HTS 6903.90.00 — Other

The current US import duty for Other (HTS 6903.90.00) — the base rate, any Section 301/232/122 surcharge that applies, and what's changed recently.

Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and slide gates), other than those of siliceous fossil meals or of similar siliceous earths: › Other

Current US duty rate

Column 1 (General / MFN)Free
Special (FTA programs)
Column 2 (other)30%

Additional duties may apply, depending on country of origin: Section 301 (China) — List 3 — 9903.88.03 (+25%); 9903.90.08.

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=6903.90.00&origin=&value=. Current as of USITC 2026HTSRev10 (synced 2026-06-12).