Sign in Book a demo

HTS 3815Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included

Product or HTS code

Rate lines8

Code	Description	General	Special	Column 2	Units	Calculate
	Supported catalysts
3815.11.00.00	3815.11.00.00With nickel or nickel compounds as the active substanceGeneral Free · Column 2 25% · kg	Free		25%	kg
3815.12.00	3815.12.00With precious metal or precious metal compounds as the active substanceGeneral Free · Column 2 25%	Free		25%
3815.12.00.10	3815.12.00.10With platinum group metals as the active substanceGeneral Free · Column 2 25% · kg	Free		25%	kg
3815.12.00.90	3815.12.00.90OtherGeneral Free · Column 2 25% · kg	Free		25%	kg
3815.19.00.00	3815.19.00.00OtherGeneral Free · Column 2 25% · kg	Free		25%	kg
3815.90	3815.90Other
	Consisting wholly of inorganic substances
3815.90.10.00	3815.90.10.00Of bismuth, of tungsten or of vanadiumGeneral 6.5% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 40% · kg	6.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	40%	kg
3815.90.20.00	3815.90.20.00Of mercury or of molybdenumGeneral 2.8% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 18% · kg	2.8%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	18%	kg
3815.90.30.00	3815.90.30.00OtherGeneral Free · Column 2 25% · kg	Free		25%	kg
3815.90.50.00	3815.90.50.00OtherGeneral 5% · Special Free (A+,AU,BH,CL,CO,D, E,IL, JO,KR,MA,OM,P, PA,PE,S,SG) · Column 2 25% · kg	5%	Free (A+,AU,BH,CL,CO,D, E,IL, JO,KR,MA,OM,P, PA,PE,S,SG)	25%	kg

2026 HTS Revision 21 (October 9, 2026)

Duty by country of origin

Rate line	Canada34.49% of imports	Germany13.45% of imports	Japan10.57% of imports	Italy5.93% of imports	Belgium4.54% of imports	Netherlands4.09% of imports	China4.05% of imports	United Kingdom3.52% of imports	Poland3.26% of imports	Mexico2.79% of imports
3815.11.00.00With nickel or nickel compounds as the active substance	10%9903.05.29	10%9903.05.39	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	10%9903.05.39	From 12.5%9903.05.31Depends on product facts	10%9903.05.81	10%9903.05.39	10%9903.05.55
3815.12.00.10With platinum group metals as the active substance	10%9903.05.29	10%9903.05.39	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	10%9903.05.39	37.5%9903.05.319903.88.03	10%9903.05.81	10%9903.05.39	10%9903.05.55
3815.12.00.90Other	10%9903.05.29	10%9903.05.39	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	10%9903.05.39	37.5%9903.05.319903.88.03	10%9903.05.81	10%9903.05.39	10%9903.05.55
3815.19.00.00Other	10%9903.05.29	10%9903.05.39	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	10%9903.05.39	From 12.5%9903.05.31Depends on product facts	10%9903.05.81	10%9903.05.39	10%9903.05.55
3815.90.10.00Of bismuth, of tungsten or of vanadium	16.5%9903.05.29	10%9903.05.39	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	10%9903.05.39	44%9903.05.319903.88.03	16.5%9903.05.81	10%9903.05.39	16.5%9903.05.55
3815.90.20.00Of mercury or of molybdenum	12.8%9903.05.29	10%9903.05.39	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	10%9903.05.39	40.3%9903.05.319903.88.03	12.8%9903.05.81	10%9903.05.39	12.8%9903.05.55
3815.90.30.00Other	10%9903.05.29	10%9903.05.39	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	10%9903.05.39	37.5%9903.05.319903.88.03	10%9903.05.81	10%9903.05.39	10%9903.05.55
3815.90.50.00Other	15%9903.05.29	10%9903.05.39	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	10%9903.05.39	42.5%9903.05.319903.88.03	15%9903.05.81	10%9903.05.39	15%9903.05.55

Total duty on a $10,000 ocean shipment entered 2026-10-13, before customs fees. Origins are the leading sources of US imports under this heading in 2025 (US Census Bureau).