Pentaerythritol Tetraallyl Ether Resin Beads
Unsaturated polyester allyl resin from pentaerythritol tetraallyl ether in bead primary form for UV-curable coatings. HTS 3907.91.4000 for other allyl resins meeting polymer content rules in subheading notes.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If supplied as finishing agent with solvents
Polymer-based finishing agents for textiles fall in 3809, not primary polymers.
If predominantly ethylene-propylene copolymer
Note (a)(4) mandates predominant comonomer classification.
If beads packaged as consumer craft filler
Retail-packaged plastic items become 'other articles' in 3926.
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Import Tips & Compliance
• Certify bead size under 5mm to confirm primary form status
• Provide gel time tests for thermoset verification
• Common error: classifying as paints (3208) if diluted
Related Products under HTS 3907.91.40.00
Diallyl Phthalate Resin Pellets
Diallyl phthalate (DAP) resin in primary pellet form, an unsaturated polyester allyl resin used for molding compounds in electrical insulators. Classified under HTS 3907.91.4000 as 'other' allyl resins, meeting the 95% monomer content requirement for the named polymer. Primary forms exclude compounded or finished products.
Diallyl Isophthalate Resin Granules
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.
Allyl Diglycol Carbonate Resin Flakes
CR-39 monomer resin (allyl diglycol carbonate) in flake primary form for optical lens casting. HTS 3907.91.4000 covers this unsaturated allyl polyester 'other' resin with >95% named monomer units. Essential for scratch-resistant eyewear lenses.
Triallyl Cyanurate Resin Powder
Triallyl cyanurate (TAC) thermoset polyester resin in powder form for cross-linking in molding compounds. Classified in HTS 3907.91.4000 as other unsaturated allyl resin in primary form, with allyl groups comprising >95% polymer weight.
Allyl Methacrylate Ester Copolymer Resin
Copolymer resin of allyl methacrylate unsaturated polyester in primary liquid form for dental composites. Fits HTS 3907.91.4000 as other allyl resin where allyl units meet 95% threshold per notes.
Divinylbenzene Allyl Copolymer Granules
Cross-linked unsaturated polyester copolymer of divinylbenzene and allyl esters in granule form for ion exchange resins. HTS 3907.91.4000 applies to such other allyl-dominant primary polymers.