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
16.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Differentiate from true epoxies via FTIR if challenged; declare bisphenol-A content; pressure test containers pre-shipment