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

Every line of heading 3909

• 3909 Amino-resins, phenolic resins and polyurethanes, in primary forms.
• 3909.10.00.00 Urea resins; thiourea resins (under: Amino-resins, phenolic resins and polyurethanes, in primary forms) (kg): General 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%.
• 3909.20.00.00 Melamine resins (under: Amino-resins, phenolic resins and polyurethanes, in primary forms) (kg): 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%.
• 3909.31.00.00 Poly(methylene phenyl isocyanate) (crude MDI, polymeric MDI) (kg): 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%.
• 3909.39.00.00 Other (under: Other amino-resins) (kg): 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%.
• 3909.40.00.00 Phenolic resins (under: Amino-resins, phenolic resins and polyurethanes, in primary forms) (kg): General 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%.
• 3909.50 Polyurethanes (under: Amino-resins, phenolic resins and polyurethanes, in primary forms).
• 3909.50.10.00 Elastomeric (under: Polyurethanes) (kg): General Free; Special none; Column 2 20%.
• 3909.50.20.00 Cements (under: Polyurethanes) (kg): General 2.1%; Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG); Column 2 20%.
• 3909.50.50.00 Other (under: Polyurethanes) (kg): General 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%.

About these rates

The rates are those printed in the 2026 HTS Revision 23, published by the U.S. International Trade Commission. A 10-digit statistical line takes the rates printed on the 8-digit line above it. Chapter 99 duties (Section 232, Section 301, IEEPA) depend on the product, the origin and the date, are charged on top, and are not included. A code here is a strong lead, not a ruling: confirm it with a customs broker or a CBP binding ruling.