HS 3909-31 – Poly(methylene phenyl isocyanate) (crude MDI, polymeric MDI)
Tariff data as of T2026-2, effective Sept 1, 2026, last verified Oct 21, 2026
Amino-resins, phenolic resins and polyurethanes, in primary forms. – Poly(methylene phenyl isocyanate) (crude MDI, polymeric MDI).