3912.90.00.90/Hydroxypropyl Methylcellulose Pellets/Mexico

Hydroxypropyl Methylcellulose Pellets from Mexico

Hydroxypropyl methylcellulose (HPMC) pellets serve as controlled-release agents in pharmaceuticals, a cellulose ether with mixed substituents. Falls under 3912.90.00.90 per subheading note (a)(4) based on predominant cellulose content.

Duty Rate — Mexico → United States

15.2%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

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Import Tips

• Submit DMF (Drug Master File) for pharma grades; confirm copolymer ratios <5% non-cellulose; use ventilated containers to maintain low humidity