Methyl Methacrylate Optical Grade for PMMA Lenses from Mexico
Low-metal impurity MMA (<1 ppb Fe/Cu) specifically refined for cast acrylic sheet used in optical applications. Precisely classified under HTS 2916.14.2020 as pure methacrylic acid methyl ester. Meets stringent Chapter 29 chemical purity standards.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include ICP-MS metal analysis proving <1 ppb heavy metals for optical grade verification
• Specify 'for polymerization only' on commercial invoice to avoid end-use misclassification
• Use refrigerated containers (<25°C); thermal degradation affects purity classification