Methyl Methacrylate Optical Grade for PMMA Lenses from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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