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2929.10.55.00/Polymeric Methylene Diphenyl Diisocyanate (PMDI)/Mexico

Polymeric Methylene Diphenyl Diisocyanate (PMDI) from Mexico

PMDI is a mixture of MDI oligomers, a chemically defined isocyanate for rigid polyurethane foams in insulation. Classified under HTS 2929.10.55.00 per additional U.S. note 3 to section VI for specific isocyanates.

Duty Rate — Mexico → United States

16.5%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Confirm polymeric composition via assay certificates; use DOT-approved drums to avoid spills

• Pitfall: confusing with monomeric MDI leading to wrong subheading

Polymeric Methylene Diphenyl Diisocyanate (PMDI) from Mexico — Import Duty Rate | HTS 2929.10.55.00