High Ortho Phenolic Resin from Canada
High ortho phenolic resin features high ortho substitution for faster curing in laminates, produced via specialized catalysis. Falls under HTS 3909.40.00.00 as unmodified phenolic primary polymer. Used in copper-clad laminates for electronics.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• NMR spectra may be required to prove phenolic structure
• Ensure no plasticizer addition per notes
• Watch for electronics end-use restrictions