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HTS 3909Amino-resins, phenolic resins and polyurethanes, in primary forms

Product or HTS code

Rate lines8

Code	Description	General	Special	Column 2	Units	Calculate
3909.10.00.00	3909.10.00.00Urea resins; thiourea resinsGeneral 6.5% · Special Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 41.5% · kg	6.5%	Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)	41.5%	kg
3909.20.00.00	3909.20.00.00Melamine resinsGeneral 6.5% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 41.5% · kg	6.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	41.5%	kg
	Other amino-resins
3909.31.00.00	3909.31.00.00Poly(methylene phenyl isocyanate) (crude MDI, polymeric MDI)General 6.5% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 41.5% · kg	6.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	41.5%	kg
3909.39.00.00	3909.39.00.00OtherGeneral 6.5% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 41.5% · kg	6.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	41.5%	kg
3909.40.00.00	3909.40.00.00Phenolic resinsGeneral 6.5% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) · Column 2 15.4¢/kg + 48% · kg	6.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)	15.4¢/kg + 48%	kg
3909.50	3909.50Polyurethanes
3909.50.10.00	3909.50.10.00ElastomericGeneral Free · Column 2 20% · kg	Free		20%	kg
3909.50.20.00	3909.50.20.00CementsGeneral 2.1% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 20% · kg	2.1%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	20%	kg
3909.50.50.00	3909.50.50.00OtherGeneral 6.3% · Special Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 15.4¢/kg + 51.5% · kg	6.3%	Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	15.4¢/kg + 51.5%	kg

2026 HTS Revision 21 (October 9, 2026)

Duty by country of origin

Rate line	Germany27.64% of imports	Canada25.53% of imports	China6.08% of imports	South Korea6.05% of imports	Belgium5.43% of imports	Hungary4.2% of imports	Spain3.72% of imports	Japan2.7% of imports	Italy2.6% of imports	Mexico2.46% of imports
3909.10.00.00Urea resins; thiourea resins	10%9903.05.39	16.5%9903.05.29	44%9903.05.319903.88.02	12.5%9903.05.71	10%9903.05.39	10%9903.05.39	10%9903.05.39	12.5%9903.05.49	10%9903.05.39	16.5%9903.05.55
3909.20.00.00Melamine resins	10%9903.05.39	16.5%9903.05.29	44%9903.05.319903.88.02	12.5%9903.05.71	10%9903.05.39	10%9903.05.39	10%9903.05.39	12.5%9903.05.49	10%9903.05.39	16.5%9903.05.55
3909.31.00.00Poly(methylene phenyl isocyanate) (crude MDI, polymeric MDI)	10%9903.05.39	16.5%9903.05.29	From 44%9903.05.319903.88.03AD/CVD may apply	12.5%9903.05.71	10%9903.05.39	10%9903.05.39	10%9903.05.39	12.5%9903.05.49	10%9903.05.39	16.5%9903.05.55
3909.39.00.00Other	10%9903.05.39	16.5%9903.05.29	44%9903.05.319903.88.03	12.5%9903.05.71	10%9903.05.39	10%9903.05.39	10%9903.05.39	12.5%9903.05.49	10%9903.05.39	16.5%9903.05.55
3909.40.00.00Phenolic resins	10%9903.05.39	16.5%9903.05.29	44%9903.05.319903.88.02	12.5%9903.05.71	10%9903.05.39	10%9903.05.39	10%9903.05.39	12.5%9903.05.49	10%9903.05.39	16.5%9903.05.55
3909.50.10.00Elastomeric	10%9903.05.39	10%9903.05.29	From 37.5%9903.05.319903.88.02AD/CVD may apply	12.5%9903.05.71	10%9903.05.39	10%9903.05.39	10%9903.05.39	12.5%9903.05.49	10%9903.05.39	10%9903.05.55
3909.50.20.00Cements	10%9903.05.39	12.1%9903.05.29	From 39.6%9903.05.319903.88.02AD/CVD may apply	12.5%9903.05.71	10%9903.05.39	10%9903.05.39	10%9903.05.39	12.5%9903.05.49	10%9903.05.39	12.1%9903.05.55
3909.50.50.00Other	10%9903.05.39	16.3%9903.05.29	From 43.8%9903.05.319903.88.02AD/CVD may apply	12.5%9903.05.71	10%9903.05.39	10%9903.05.39	10%9903.05.39	12.5%9903.05.49	10%9903.05.39	16.3%9903.05.55

Total duty on a $10,000 ocean shipment entered 2026-10-14, before customs fees. Origins are the leading sources of US imports under this heading in 2025 (US Census Bureau).