Uncompounded Allyl Resin Diallyl Phthalate from Canada
Diallyl phthalate (DAP) resin in primary, uncompounded form is a thermosetting unsaturated polyester allyl resin used primarily for molding compounds in electrical insulators. It falls under HTS 3907.91.2000 as an uncompounded allyl resin, meeting the chapter note requirement where the allyl monomer units contribute over 95% by weight. This primary form is supplied as granules or powder before any additives or compounding.
Duty Rate — Canada → United States
10%
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
• Confirm monomer composition via lab analysis to ensure allyl units exceed 95% by weight per Chapter 39 notes to avoid reclassification
• Provide supplier certificates specifying 'uncompounded' status and primary form
• Watch for common pitfalls like inadvertent addition of fillers which shifts to 3907.91.40