Vinyl Ester Pre-Polymer Resin from Japan
Methacrylate-capped unsaturated polyester pre-polymer known as vinyl ester for chemical tanks and pipes. Technically an unsaturated polyester derivative in primary form, HTS 3907.91.5000 'other' as it doesn't meet specific copolymer exclusions. Superior hydrolysis resistance.
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
• Differentiate from true epoxies via FTIR if challenged; declare bisphenol-A content; pressure test containers pre-shipment