Effage B100 Polyisobutylene from China
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 — China → United States
44%
Rate breakdown
9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Include USP/EP certificates and DMF references; ensure clean room packaging verification; segregate pharma from industrial grades for different regulations