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Diallyl Isophthalate Resin Granules from Japan

Unsaturated polyester resin based on diallyl isophthalate in granular primary form for high-performance composites. Falls under HTS 3907.91.4000 as 'other' allyl resins due to allyl ester structure and >95% qualifying monomer content. Used in aerospace and automotive parts molding.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

Submit detailed polymer spec sheets showing allyl monomer dominance; use ISO-certified testing

Avoid bulk bags over 25kg if mislabeled as articles

Common pitfall: reclassification if fillers exceed 5% by weight