Cross-Linked Cholestyramine USP Granules from Mexico
Granular form of Cholestyramine resin USP (cross-linked polyvinylbenzyltrimethylammonium chloride) optimized for uniform dispersion in oral suspensions. Remains primary form ion-exchanger under HTS 3914.00.20.00 as granulation doesn't constitute fabrication.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document granulation process doesn't alter polymer structure; include flowability and bulk density specs; separate from finished suspensions to avoid Chapter 30