Hydroxypropyl Methylcellulose (HPMC) from China
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 — China → United States
30.8%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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