Hydroxypropyl Methylcellulose (HPMC) from Mexico
Hydroxypropyl methylcellulose is an inert, viscoelastic polysaccharide derived from cellulose through etherification, widely used in pharmaceuticals for capsule shells and controlled-release formulations. Classified under HTS 3913.90.20 as a modified natural polysaccharide in primary form like powder or granules.
Duty Rate — Mexico → United States
5.8%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Provide lab analysis confirming >95% cellulose-derived content to meet subheading note (a)(1) for polymer purity
• Label shipments clearly as 'primary forms' to distinguish from finished dosage forms in Chapter 30
• Avoid misclassification by ensuring no plasticizers exceed levels that trigger 3920.43 provisions