HS 3903-20 – Styrene-acrylonitrile (SAN) copolymers

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

Polymers of styrene, in primary forms. – Styrene-acrylonitrile (SAN) copolymers.

10-digit tariff items

• 3903-20-00-00 – Styrene-acrylonitrile (SAN) copolymers (MFN Free)