Vinyl Ester Pre-Polymer Resin from Canada
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 — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Differentiate from true epoxies via FTIR if challenged; declare bisphenol-A content; pressure test containers pre-shipment