Hydroxypropyl Methylcellulose Granules from Mexico
Hydroxypropyl methylcellulose (HPMC) is a semi-synthetic derivative of cellulose used in primary granule form for coatings, capsules, and construction mortars. Classified under HTS 3913.90.5000 as a modified natural polymer in primary form, not covered elsewhere.
Duty Rate — Mexico → United States
16.5%
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
• Provide lab analysis showing cellulose base >95% to distinguish from synthetics; label viscosity grade accurately for end-use compliance; watch for reclassification if blended exceeding natural polymer criteria