TariffPlus – Canada & US Tariff Lookup

HS 3905-91 – Copolymers

Tariff data as of T2026-2, effective Sept 1, 2026, last verified Oct 21, 2026

Polymers of vinyl acetate or of other vinyl esters, in primary forms; other vinyl polymers in primary forms. – Copolymers.

10-digit tariff items