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p-Phenylene Diisocyanate (PPDI) from Mexico

PPDI is a para-substituted benzene ring with two isocyanate groups, classified in HTS 2929.10.80 as other isocyanates with nitrogen function. Utilized in advanced polyurea coatings and composite materials.

Duty Rate — Mexico → United States

16.5%

Rate breakdown

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

Import Tips

Specify crystal form vs liquid dispersion in product specifications

Include explosion risk assessment for dust handling precautions

Verify absence of heavy metal catalysts in production documentation