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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%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

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