</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Diallyl Phthalate Resin Pellets from Canada

Diallyl phthalate (DAP) resin in primary pellet form, an unsaturated polyester allyl resin used for molding compounds in electrical insulators. Classified under HTS 3907.91.4000 as 'other' allyl resins, meeting the 95% monomer content requirement for the named polymer. Primary forms exclude compounded or finished products.

Duty Rate — Canada → United States

15.8%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Verify monomer composition via lab analysis to confirm 95% DAP content for this subheading; provide supplier certificates of analysis

Ensure pellets are uncompounded primary forms to avoid reclassification as articles in Chapter 39 headings 3920+

Watch for contamination that could shift predominant monomer