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Harmonized Tariff Schedule (2026 HTS Revision 11 (07/01/2026))

Search Key:3815

Heading	Duty(general)	Duty(china)	Article Description	Compare Code
3815			Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included: Supported catalysts:	--
3815.11.00.00	Free		With nickel or nickel compounds as the active substance	vs-3815
3815.12.00	Free		With precious metal or precious metal compounds as the active substance	vs-3815110000
3815.12.00.10	Free		With platinum group metals as the active substance	vs-38151200
3815.12.00.90	Free		Other	vs-3815120010
3815.19.00.00	Free		Other	vs-3815120090
3815.90			Other: Consisting wholly of inorganic substances:	vs-3815190000
3815.90.10.00	6.5%		Of bismuth, of tungsten or of vanadium	vs-381590
3815.90.20.00	2.8%		Of mercury or of molybdenum	vs-3815901000
3815.90.30.00	Free		Other	vs-3815902000
3815.90.50.00	5%		Other	vs-3815903000
9902.10.38	Free		Potassium methylate solution (CAS No. 865-33-8) (provided for in subheading 3815.90.50)	vs-3815905000
9902.10.39	Free		Mixtures of polyethylene glycol (CAS No. 25322-68-3), (acetate) pentammine cobalt dinitrate (CAS No. 14854-63-8), and zinc carbonate (CAS No. 3486-35-9) (provided for in subheading 3815.90.50)	vs-99021038
9902.10.40	Free		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)	vs-99021039
9902.10.41	Free		Mixtures of (acetato) pentammine cobalt dinitrate (CAS No. 14854-63-8) with a polymeric or paraffinic carrier (provided for in subheading 3815.90.50)	vs-99021040