High-Tg Bismaleimide Resin Flakes from Canada
Flake-form bismaleimide-triazine copolymer per exact chemical specification of HTS 3911.90.35.00, in primary form for composite prepreg production. Offers Tg >250°C for demanding telecom applications. Aromatic monomer content exceeds 95% threshold per subheading note.
Duty Rate — Canada → United States
10%
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
• Document flake form qualifies as 'primary forms' not plates/sheets
• Verify no fiber reinforcement present
• Watch for reclassification as 3911.90.55 if minor formulation changes