HS 3911-20 – Poly(1,3-phenylene methylphosphonate)
Tariff data as of T2026-2, effective Sept 1, 2026, last verified Oct 21, 2026
Poly(1,3-phenylene methylphosphonate)
Tariff data as of T2026-2, effective Sept 1, 2026, last verified Oct 21, 2026
Poly(1,3-phenylene methylphosphonate)