Methyl Methacrylate with 50 ppm Hydroquinone Inhibitor from Mexico
Standard commercial MMA with precisely 50 ppm monomethyl ether hydroquinone (MEHQ) to maintain liquid state during global transport. HTS 2916.14.2020 per Chapter 29 note (f) allowance for transport stabilizers. Industry standard for resin manufacturers.
Duty Rate — Mexico → United States
13.7%
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
• GC certificate must specify exact MEHQ ppm; variance >20% risks mixture classification
• Declare 'inhibited monomer for polymerization' to distinguish from polymer products
• Segregate from basic chemicals; incompatible with amines/acids causing polymerization