Mixture of precipitated silica gel (CAS No. 112926-00-8) and (4-hydroxy-2,2,6,6-tetramethyl-1-piperidinyl)oxidanyl (CAS No. 2226-96-2) of a kind used as polymerization inhibitors (provided for in subheading 3815.90.50)

Duty under this headingFree

As of Revision 22 (2026), effective Oct 30, 2026Source: USITC HTS ↗

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Tariff data: USITC Harmonized Tariff Schedule and the Federal Register, U.S. government works in the public domain. Code MIT licensed. Not affiliated with any government agency; not legal or customs advice.

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