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Effage B100 Polyisobutylene from Canada

Effage B100 is a medium-high molecular weight polyisobutylene for pharmaceutical sealants and transdermal patches, under HTS 3902.20.5000 as 'Other' polyisobutylene meeting monomer purity requirements. Supplied as pharmaceutical-grade primary polymer.

Duty Rate — Canada → United States

16.5%

Rate breakdown

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

Import Tips

Include USP/EP certificates and DMF references; ensure clean room packaging verification; segregate pharma from industrial grades for different regulations

Effage B100 Polyisobutylene from Canada — Import Duty Rate | HTS 3902.20.50.00