Crude MDI (Polymeric Methylene Diphenyl Diisocyanate) from Germany
Crude MDI is a primary form polyisocyanate containing 95% or more methylene phenyl isocyanate monomer units by weight, used as a key raw material in polyurethane production. It falls under HTS 3909.31.00.00 as it precisely matches the subheading for poly(methylene phenyl isocyanate) in primary forms within amino-resins. This unprocessed chemical is supplied in drums for industrial formulation.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify monomer content exceeds 95% by weight via lab analysis to confirm classification under 3909.31
• Ensure SDS and REACH compliance for hazardous isocyanate handling
• Common pitfall: misclassifying refined MDI as it may shift to other subheadings