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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%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

• 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