HTS 3815: Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included
7 codes. Pick one to see its duty from every country of origin. From the USITC schedule, Revision 20 (2026).
3815.90: Other
- 3815.90.10Unsupported inorganic catalysts of bismuth, tungsten or vanadiumRegular duty6.5%
- 3815.90.20Unsupported inorganic catalysts of mercury or molybdenumRegular duty2.8%
- 3815.90.30Other unsupported wholly inorganic catalystsRegular dutyFree
- 3815.90.50Other initiators, accelerators and catalysts (not wholly inorganic)Regular duty5%